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...

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 `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...

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...

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...

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...

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...

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-2026-128

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...

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...

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...

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...

EUVD-2026-29165

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...

CVE-2026-42857

Open edX Platform is affected by CVE-2026-42857 due to the HTML sanitizer in clean_thread_html_body() not removing tags from user-generated discussion content in email notifications. This allows enrolled students to inject arbitrary CSS into emails rendered with Django’s |safe template filter, e...

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...