CVE-2026-43939: Improper Neutralization of Input During Web Page Generation

YetAnotherForum.NET YAF.NET is a C ASP.NET forum. Prior to 4.0.5 and 3.2.12, the thread posting and reply feature accepts user-supplied content via a a post or reply that is stored server-side and later rendered back into the thread page without adequate HTML sanitization or contextual output...

PT-2026-40295

In PHP versions 8.2. before 8.2.31, 8.3. before 8.3.31, 8.4. before 8.4.21, 8.5. before 8.5.6, due to improper sanitation of user data, it allows an attacker to compose an URL, which will cause the target to execute arbitrary JavaScript code XSS on the target's machine when the target is viewing...

WordPress plugin LifePress has a cross-site scripting vulnerability

WordPress and WordPress plugins are both products of the WordPress Foundation. WordPress is a blog platform developed using the PHP language. This platform allows for the creation of personal blog websites on servers based on PHP and MySQL. A WordPress plugin is an application that can be install...

CVE-2026-43887

Outline is a collaborative documentation service. From 0.84.0 to 1.6.1, the comment feature allows mentions of other users, but the backend does not validate or sanitize the href of mentions, permitting dangerous protocols (e.g., javascript:) to slip through and enable client-side code execution....

Mermaid: Improper sanitization of configuration leads to CSS injection

Impact Mermaid's default configuration allows injecting CSS that applies outside of the Mermaid diagram via the fontFamily, themeCSS, and altFontFamily configuration options. Live demo: mermaid.live Example code: %%init: "fontFamily": "x;ab :not&background:green !important cd"%% flowchart LR A --...

NPM: Mermaid: Improper sanitization of configuration leads to CSS injection

NPM: Mermaid: Improper sanitization of configuration leads to CSS injection vulnerability discovered by ? in WordPress Npm mermaid versions = 10.9.5...

Arbitrary Code Injection

Overview mermaid is a package for generation of diagrams and flowcharts from text in a similar manner as markdown. Affected versions of this package are vulnerable to Arbitrary Code Injection due to improper sanitization of the classDef function in state diagrams. An attacker can inject arbitrary...

NPM: Mermaid: Improper sanitization of `classDef` in state diagrams leads to HTML injection

NPM: Mermaid: Improper sanitization of classDef in state diagrams leads to HTML injection vulnerability discovered by ? in WordPress Npm mermaid versions = 10.9.5...

Arbitrary Code Injection

Overview org.webjars.npm:mermaid is a package for generation of diagrams and flowcharts from text in a similar manner as markdown. Affected versions of this package are vulnerable to Arbitrary Code Injection due to improper sanitization of the classDef function in state diagrams. An attacker can...

GHSA-XCJ9-5M2H-648R Mermaid: Improper sanitization of `classDefs` in diagrams leads to CSS injection

Details The state diagram and any other diagram type that routes user-controlled style strings through createCssStyles parser for Mermaid v11.14.0 and earlier captures classDef values with an unrestricted regex: jison // packages/mermaid/src/diagrams/state/parser/stateDiagram.jison:83 ^\n...

Mermaid: Improper sanitization of `classDefs` in diagrams leads to CSS injection

Details The state diagram and any other diagram type that routes user-controlled style strings through createCssStyles parser for Mermaid v11.14.0 and earlier captures classDef values with an unrestricted regex: jison // packages/mermaid/src/diagrams/state/parser/stateDiagram.jison:83 ^\n...

Arbitrary Code Injection

Overview org.webjars.npm:mermaid is a package for generation of diagrams and flowcharts from text in a similar manner as markdown. Affected versions of this package are vulnerable to Arbitrary Code Injection due to improper sanitization of input passed to the addStyleClass function. An attacker c...

EUVD-2026-29084

OS command injection CWE-78 vulnerability in pgAdmin 4 Import/Export query export. User-supplied input was interpolated directly into a psql \copy metacommand template without sanitization. An authenticated user could inject " TO PROGRAM 'cmd'" to break out of the \copy ... context and achieve...

Directory Traversal

Overview Affected versions of this package are vulnerable to Directory Traversal via insufficient path sanitization in the Local File System storage provider. An attacker can create or overwrite arbitrary files on the host filesystem by supplying crafted paths that traverse directories. This is...

PYSEC-2026-128

pyLoad is a free and open-source download manager written in Python. Prior to 0.5.0b3.dev100, package folder names are sanitized using insufficient string replacement. The pattern ....// becomes .. after replacement partial removal, leaving .. which can be exploited when the path is later resolve...

CVE-2026-42314

pyLoad is a free and open-source download manager written in Python. Prior to 0.5.0b3.dev100, package folder names are sanitized using insufficient string replacement. The pattern ....// becomes .. after replacement partial removal, leaving .. which can be exploited when the path is later resolve...

PYSEC-2026-129

pyLoad is a free and open-source download manager written in Python. Prior to 0.5.0b3.dev100, when passing a folder name in the setpackagedata API function call inside the data object with key "folder", there is no sanitization at all, allowing a user with Perms.MODIFY to specify arbitrary...

PYSEC-2026-129

pyLoad is a free and open-source download manager written in Python. Prior to 0.5.0b3.dev100, when passing a folder name in the setpackagedata API function call inside the data object with key "folder", there is no sanitization at all, allowing a user with Perms.MODIFY to specify arbitrary...

PYSEC-2026-128

pyLoad is a free and open-source download manager written in Python. Prior to 0.5.0b3.dev100, package folder names are sanitized using insufficient string replacement. The pattern ....// becomes .. after replacement partial removal, leaving .. which can be exploited when the path is later resolve...

CVE-2026-42857 Open edX Platform: Stored CSS Injection in Email Notifications via Incomplete HTML Sanitization

Open edX Platform enables the authoring and delivery of online learning at any scale. The HTML sanitizer cleanthreadhtmlbody used for discussion notification emails fails to remove tags from user-generated discussion post content. This content is rendered with Django's |safe template filter in...