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CWE-791

Incomplete Filtering of Special Elements

BaseIncompleteSimple37 CVEs
The product receives data from an upstream component, but does not completely filter special elements before sending it to a downstream component.

Common consequences1

  • IntegrityUnexpected State

Relationships1

CVEs referencing this CWE37

CVEDescriptionSeverityEPSSFlagsModified
CVE-2022-21668

pipenv is a Python development workflow tool. Starting with version 2018.10.9 and prior to version 2022.1.8, a flaw in pipenv's parsing of requirements files allows an attacker to insert a specially crafted string inside a comment anywhere within a requirements.txt file, which will cause victims who use pipenv to install the requirements file to download dependencies from a package index server controlled by the attacker. By embedding malicious code in packages served from their malicious index server, the attacker can trigger arbitrary remote code execution (RCE) on the victims' systems. If an attacker is able to hide a malicious `--index-url` option in a requirements file that a victim installs with pipenv, the attacker can embed arbitrary malicious code in packages served from their malicious index server that will be executed on the victim's host during installation (remote code execution/RCE). When pip installs from a source distribution, any code in the setup.py is executed by the install process. This issue is patched in version 2022.1.8. The GitHub Security Advisory contains more information about this vulnerability.

HIGH8.6
3.90%p89
PoC
2026-06-17
CVE-2022-2132

A permissive list of allowed inputs flaw was found in DPDK. This issue allows a remote attacker to cause a denial of service triggered by sending a crafted Vhost header to DPDK.

HIGH8.6
1.77%p76
2026-06-17
CVE-2026-47323

Camel-CXF and Camel-Knative Message Header Injection via Missing Inbound Filtering The CXF and Knative HeaderFilterStrategy implementations (CxfRsHeaderFilterStrategy in camel-cxf-rest, CxfHeaderFilterStrategy in camel-cxf-transport, and KnativeHttpHeaderFilterStrategy in camel-knative-http) only filter outbound Camel-internal headers via setOutFilterStartsWith, while not configuring inbound filtering via setInFilterStartsWith. As a result, an unauthenticated attacker can inject Camel-internal headers (e.g. CamelExecCommandExecutable, CamelFileName) via HTTP requests to CXF-RS or CXF-SOAP endpoints. When a route forwards messages from these endpoints to header-driven components such as camel-exec or camel-file, the injected headers override configured values, enabling remote code execution or arbitrary file writes. This is the same pattern that was previously addressed in camel-undertow (CVE-2025-30177), the broader incoming-header filter (CVE-2025-27636 and CVE-2025-29891), and non-HTTP strategies (CVE-2026-40453). This issue affects Apache Camel: from 3.18.0 before 4.14.6, from 4.15.0 before 4.18.2. Users are recommended to upgrade to version 4.19.0, which fixes the issue. If users are on the 4.18.x LTS releases stream, then they are suggested to upgrade to 4.18.2. If users are on the 4.14.x LTS releases stream, then they are suggested to upgrade to 4.14.6.

CRITICAL9.8
1.54%p72
PoC
2026-07-15
CVE-2026-29186

Backstage is an open framework for building developer portals. Prior to version 1.14.3, this is a configuration bypass vulnerability that enables arbitrary code execution. The @backstage/plugin-techdocs-node package uses an allowlist to filter dangerous MkDocs configuration keys during the documentation build process. A gap in this allowlist allows attackers to craft an mkdocs.yml that causes arbitrary Python code execution, completely bypassing TechDocs' security controls. This issue has been patched in version 1.14.3.

CRITICAL9.8
0.78%p52
2026-07-15
CVE-2024-47590

An unauthenticated attacker can create a malicious link which they can make publicly available. When an authenticated victim clicks on this malicious link, input data will be used by the web site page generation to create content which when executed in the victim's browser (XXS) or transmitted to another server (SSRF) gives the attacker the ability to execute arbitrary code on the server fully compromising confidentiality, integrity and availability.

HIGH8.8
0.77%p52
2026-06-17
CVE-2026-2969

A flaw has been found in datapizza-labs datapizza-ai 0.0.2. Affected is the function ChatPromptTemplate of the file datapizza-ai-core/datapizza/modules/prompt/prompt.py of the component Jinja2 Template Handler. This manipulation of the argument Prompt causes improper neutralization of special elements used in a template engine. Remote exploitation of the attack is possible. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

HIGH7.2
0.69%p49
2026-06-17
CVE-2024-39899

PrivateBin is an online pastebin where the server has zero knowledge of pasted data. In v1.5, PrivateBin introduced the YOURLS server-side proxy. The idea was to allow using the YOURLs URL shortener without running the YOURLs instance without authentication and/or exposing the authentication token to the public, allowing anyone to shorten any URL. With the proxy mechanism, anyone can shorten any URL pointing to the configured PrivateBin instance. The vulnerability allowed other URLs to be shortened, as long as they contain the PrivateBin instance, defeating the limit imposed by the proxy. This vulnerability is fixed in 1.7.4.

MEDIUM5.3
0.63%p47
2026-06-17
CVE-2024-8373

Improper sanitization of the value of the [srcset] attribute in <source> HTML elements in AngularJS allows attackers to bypass common image source restrictions, which can also lead to a form of Content Spoofing https://owasp.org/www-community/attacks/Content_Spoofing . This issue affects all versions of AngularJS. Note: The AngularJS project is End-of-Life and will not receive any updates to address this issue. For more information see here https://docs.angularjs.org/misc/version-support-status .

MEDIUM4.3
0.60%p45
2026-06-17
CVE-2025-2040

A vulnerability classified as critical was found in zhijiantianya ruoyi-vue-pro 2.4.1. Affected by this vulnerability is an unknown functionality of the file /admin-api/bpm/model/deploy. The manipulation leads to improper neutralization of special elements used in a template engine. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.

MEDIUM6.3
0.44%p36
2026-06-17
CVE-2026-7164

Incorrect packet validation allowed unbounded recursion parsing SCTP chunk parameters. This can eventually result in a stack overflow and panic. Remote attackers can craft packets which cause affected systems to panic. This affects any system where pf is configured to process traffic, independent of the configured ruleset.

HIGH7.5
0.43%p36
2026-06-17
CVE-2025-5325

A vulnerability has been found in zhilink 智互联(深圳)科技有限公司 ADP Application Developer Platform 应用开发者平台 1.0.0 and classified as critical. Affected by this vulnerability is an unknown functionality of the file /adpweb/a/ica/api/service/rfa/testService. The manipulation leads to improper neutralization of special elements used in a template engine. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

CRITICAL9.8
0.43%p36
2026-06-17
CVE-2025-3841

A vulnerability, which was classified as problematic, was found in wix-incubator jam up to e87a6fd85cf8fb5ff37b62b2d68f917219d07ae9. This affects an unknown part of the file jam.py of the component Jinja2 Template Handler. The manipulation of the argument config['template'] leads to improper neutralization of special elements used in a template engine. It is possible to launch the attack on the local host. The exploit has been disclosed to the public and may be used. This product takes the approach of rolling releases to provide continious delivery. Therefore, version details for affected and updated releases are not available.

CRITICAL9.8
0.41%p33
2026-06-17
CVE-2024-27489

An issue in the DelFile() function of WMCMS v4.4 allows attackers to delete arbitrary files via a crafted POST request.

HIGH7.5
0.41%p34
2026-06-17
CVE-2026-3725

A flaw has been found in 1024-lab/lab1024 SmartAdmin up to 3.29. Affected by this issue is the function freemarkerResolverContent of the file sa-base/src/main/java/net/lab1024/sa/base/module/support/mail/MailService.java of the component FreeMarker Template Handler. Executing a manipulation of the argument template_content can lead to improper neutralization of special elements used in a template engine. The attack can be launched remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

HIGH8.8
0.40%p33
2026-06-17
CVE-2024-32162

CMSeasy 7.7.7.9 is vulnerable to Arbitrary file deletion.

MEDIUM4.3
0.40%p32
2026-07-09
CVE-2025-14731

A weakness has been identified in CTCMS Content Management System up to 2.1.2. This affects an unknown function in the library /ctcms/apps/libraries/CT_Parser.php of the component Frontend/Template Management Module. This manipulation causes improper neutralization of special elements used in a template engine. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be exploited.

HIGH7.2
0.39%p32
2026-06-17
CVE-2025-0716

Improper sanitization of the value of the 'href' and 'xlink:href' attributes in '<image>' SVG elements in AngularJS allows attackers to bypass common image source restrictions. This can lead to a form of Content Spoofing https://owasp.org/www-community/attacks/Content_Spoofing  and also negatively affect the application's performance and behavior by using too large or slow-to-load images. This issue affects all versions of AngularJS. Note: The AngularJS project is End-of-Life and will not receive any updates to address this issue. For more information see here https://docs.angularjs.org/misc/version-support-status .

MEDIUM4.8
0.39%p32
2026-06-17
CVE-2025-6761

A vulnerability was found in Kingdee Cloud-Starry-Sky Enterprise Edition 6.x/7.x/8.x/9.0. It has been rated as critical. Affected by this issue is the function plugin.buildMobilePopHtml of the file \k3\o2o\bos\webapp\action\DynamicForm 4 Action.class of the component Freemarker Engine. The manipulation leads to improper neutralization of special elements used in a template engine. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. It is recommended to upgrade the affected component. The vendor explains, that in the fixed release "Freemarker is set to 'ALLOWS_NOTHING_RESOLVER' to not parse any classes."

HIGH7.3
0.37%p29
2026-06-17
CVE-2026-44232

DSSRF is a Node.js library that provides a wide range of utilities and advanced SSRF defense checks. Prior to 1.0.3, every IPv6 category bypasses is_url_safe. This vulnerability is fixed in 1.0.3.

NONE
0.35%p28
2026-06-19
CVE-2025-0324

The VAPIX Device Configuration framework allowed a privilege escalation, enabling a lower-privileged user to gain administrator privileges.

HIGH8.8
0.34%p26
2026-06-17
CVE-2020-36827

The XAO::Web module before 1.84 for Perl mishandles < and > characters in JSON output during use of json-embed in Web::Action.

MEDIUM5.4
0.34%p27
2026-06-17
CVE-2026-11998

A flaw in AngularJS' Strict Contextual Escaping (SCE) logic allows bypassing certain SCE policies for resource URLs and can lead to arbitrary JavaScript execution within the context of the victim's browser session. SCE's purpose is to ensure that only trusted or safe values are used in certain security-sensitive contexts, such as resource URLs, including URLs that define executable JavaScript scripts, '<iframe>' documents, route templates, etc. A flaw in the logic that tries to match entire URLs against regular expression matchers can result in partial matches for certain types of regular expressions, effectively bypassing the policies and allowing the use of unsafe values as resource URLs. This issue affects AngularJS versions greater than or equal to 1.2.0-rc.3. Note: The AngularJS project was already End-of-Life when this CVE was published and will not receive any updates to address this issue. For more information see the  End-of-Life announcement https://docs.angularjs.org/misc/version-support-status .

HIGH7.6
0.33%p26
2026-07-30
CVE-2026-48208

An improper neutralization of active SVG content in OTRS or ((OTRS)) Community Edition ticket article rendering allows attackers to inject specially crafted SVG payloads via email content, leading to browser-side resource exhaustion and denial of service when affected tickets are opened by an agent or customer. The issue can be exploited without JavaScript execution and is not mitigated by the configured Content Security Policy (CSP). This issue affects OTRS: * 7.0.X * 8.0.X * 2023.X * 2024.X * 2025.X * 2026.X before 2026.4.X Please note that ((OTRS)) Community Edition 6.x and before are vulnerable. Products based on the ((OTRS)) Community Edition also very likely to be affected

MEDIUM6.5
0.33%p26
PoC
2026-07-22
CVE-2025-6518

A vulnerability was found in PySpur-Dev pyspur up to 0.1.18. It has been classified as critical. Affected is the function SingleLLMCallNode of the file backend/pyspur/nodes/llm/single_llm_call.py of the component Jinja2 Template Handler. The manipulation of the argument user_message leads to improper neutralization of special elements used in a template engine. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.

MEDIUM6.3
0.33%p25
2026-06-17
CVE-2026-5559

A vulnerability has been found in AntaresMugisho PyBlade 0.1.8-alpha/0.1.9-alpha. The affected element is the function _is_safe_ast of the file sandbox.py of the component AST Validation. Such manipulation leads to improper neutralization of special elements used in a template engine. The attack may be performed from remote. The exploit has been disclosed to the public and may be used. The project was informed of the problem early through an issue report but has not responded yet.

MEDIUM6.3
0.31%p24
2026-07-24
CVE-2023-31172

An Incomplete Filtering of Special Elements vulnerability in the Schweitzer Engineering Laboratories SEL-5030 acSELerator QuickSet Software could allow an attacker to embed instructions that could be executed by an authorized device operator. See Instruction Manual Appendix A and Appendix E dated 20230615 for more details. This issue affects SEL-5030 acSELerator QuickSet Software: through 7.1.3.0.

HIGH7.4
0.31%p24
2026-06-17
CVE-2026-9498

A vulnerability has been found in Dromara lamp-cloud up to 5.6.2. Impacted is the function GroovyClassLoader.parseClass of the component Message Template Handler. Such manipulation of the argument DefMsgTemplate.content leads to improper neutralization of special elements used in a template engine. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

MEDIUM6.3
0.30%p22
2026-07-23
CVE-2026-6984

A security flaw has been discovered in AstrBotDevs AstrBot up to 4.22.1. This affects the function create_template of the file astrbot/dashboard/routes/t2i.py of the component Dashboard API. The manipulation results in improper neutralization of special elements used in a template engine. The attack can be executed remotely. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.

MEDIUM4.7
0.30%p22
2026-06-17
CVE-2025-2336

Improper sanitization of the value of the 'href' and 'xlink:href' attributes in '<image>' SVG elements in AngularJS's 'ngSanitize' module allows attackers to bypass common image source restrictions. This can lead to a form of Content Spoofing https://owasp.org/www-community/attacks/Content_Spoofing  and also negatively affect the application's performance and behavior by using too large or slow-to-load images. This issue affects AngularJS versions greater than or equal to 1.3.1. Note: The AngularJS project is End-of-Life and will not receive any updates to address this issue. For more information see here https://docs.angularjs.org/misc/version-support-status .

MEDIUM4.8
0.30%p22
2026-06-17
CVE-2025-9094

A vulnerability was detected in ThingsBoard 4.1. This vulnerability affects unknown code of the component Add Gateway Handler. The manipulation leads to improper neutralization of special elements used in a template engine. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The vendor replies, that "[t]he fix will come within upcoming release (v4.2) and will be inherited by maintenance releases of LTS versions (starting 4.0)."

MEDIUM4.3
0.29%p22
2026-06-17
CVE-2026-3714

A vulnerability has been found in OpenCart 4.0.2.3. Affected by this issue is the function Save of the file admin/controller/design/template.php of the component Incomplete Fix CVE-2024-36694. Such manipulation leads to improper neutralization of special elements used in a template engine. The attack may be performed from remote. The vendor was contacted early about this disclosure but did not respond in any way.

MEDIUM4.7
0.26%p17
2026-06-17
CVE-2023-1076

A flaw was found in the Linux Kernel. The tun/tap sockets have their socket UID hardcoded to 0 due to a type confusion in their initialization function. While it will be often correct, as tuntap devices require CAP_NET_ADMIN, it may not always be the case, e.g., a non-root user only having that capability. This would make tun/tap sockets being incorrectly treated in filtering/routing decisions, possibly bypassing network filters.

MEDIUM5.5
0.26%p17
2026-06-17
CVE-2026-5987

A security vulnerability has been detected in Sanluan PublicCMS up to 6.202506.d. This affects the function AbstractFreemarkerView.doRender of the file publiccms-parent/publiccms-core/src/main/java/com/publiccms/common/base/AbstractFreemarkerView.java of the component FreeMarker Template Handler. Such manipulation leads to improper neutralization of special elements used in a template engine. It is possible to launch the attack remotely. The exploit has been disclosed publicly and may be used. The project was informed of the problem early through an issue report but has not responded yet.

MEDIUM4.7
0.24%p15
2026-06-17
CVE-2025-59303

HAProxy Kubernetes Ingress Controller before 3.1.13, when the config-snippets feature flag is used, accepts config snippets from users with create/update permissions. This can result in obtaining an ingress token secret as a response. The fixed versions of HAProxy Enterprise Kubernetes Ingress Controller are 3.0.16-ee1, 1.11.13-ee1, and 1.9.15-ee1.

MEDIUM6.4
0.24%p16
2026-06-17
CVE-2026-8740

A flaw has been found in Sanluan PublicCMS 5.202506.d. The impacted element is the function execute of the file publiccms-core/src/main/java/com/publiccms/views/directive/tools/TemplateResultDirective.java of the component templateResult API. This manipulation of the argument templateContent causes improper neutralization of special elements used in a template engine. The attack is possible to be carried out remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

MEDIUM6.3
0.23%p14
2026-06-17
CVE-2024-39283

Incomplete filtering of special elements in Intel(R) TDX module software before version TDX_1.5.01.00.592 may allow an authenticated user to potentially enable escalation of privilege via local access.

HIGH7.8
0.18%p8
2026-06-17
CVE-2024-45481

An Incomplete Filtering of Special Elements vulnerability in scripts using the SSH server on B&R APROL <4.4-00P5 may allow an authenticated local attacker to authenticate as another legitimate user.

NONE
0.14%p4
2026-06-17