GHSA-QX2V-QP2M-JG93 PostCSS has XSS via Unescaped </style> in its CSS Stringify Output

PostCSS: XSS via Unescaped in CSS Stringify Output Summary PostCSS v8.5.5 latest does not escape sequences when stringifying CSS ASTs. When user-submitted CSS is parsed and re-stringified for embedding in HTML tags, in CSS values breaks out of the style context, enabling XSS. Proof of Concept...

PostCSS has XSS via Unescaped </style> in its CSS Stringify Output

PostCSS: XSS via Unescaped in CSS Stringify Output Summary PostCSS v8.5.5 latest does not escape sequences when stringifying CSS ASTs. When user-submitted CSS is parsed and re-stringified for embedding in HTML tags, in CSS values breaks out of the style context, enabling XSS. Proof of Concept...

CVE-2026-40611

A flaw was found in lego, the Let's Encrypt client and ACME library written in Go. A malicious ACME Automated Certificate Management Environment server can exploit a path traversal vulnerability in the webroot HTTP-01 challenge provider. By supplying a specially crafted challenge token containing...

Medical data of 500,000 UK volunteers listed for sale on Alibaba

Half a million Britons signed up to help cure cancer. Their data ended up for sale on Alibaba. The UK Biobank charity informed the British government of an incident concerning the medical data belonging to 500,000 British citizens being offered for sale on the Chinese e-commerce website Alibaba...

Security Bulletin: Vulnerabilities in httpd affects IBM Netezza Appliance

Summary The httpd package is used by IBM Netezza Appliance . IBM Netezza Appliance has addressed the applicable CVEsCVE-2025-58098, CVE-2025-65082, CVE-2025-66200 Vulnerability Details CVEID:CVE-2025-58098 DESCRIPTION: Apache HTTP Server 2.4.65 and earlier with Server Side Includes SSI enabled an...

Cross-site Scripting (XSS)

Overview postcss is a PostCSS is a tool for transforming styles with JS plugins. Affected versions of this package are vulnerable to Cross-site Scripting XSS in CSS Stringify Output. An attacker can execute arbitrary JavaScript code in the context of the affected web page by submitting crafted CS...

Cross-site Scripting (XSS)

Overview org.webjars.npm:postcss is a PostCSS is a tool for transforming styles with JS plugins. Affected versions of this package are vulnerable to Cross-site Scripting XSS in CSS Stringify Output. An attacker can execute arbitrary JavaScript code in the context of the affected web page by...

DEBIAN-CVE-2026-41305

PostCSS takes a CSS file and provides an API to analyze and modify its rules by transforming the rules into an Abstract Syntax Tree. Versions prior to 8.5.10 do not escape sequences when stringifying CSS ASTs. When user-submitted CSS is parsed and re-stringified for embedding in HTML tags, in CSS...

CVE-2026-41305

PostCSS takes a CSS file and provides an API to analyze and modify its rules by transforming the rules into an Abstract Syntax Tree. Versions prior to 8.5.10 do not escape sequences when stringifying CSS ASTs. When user-submitted CSS is parsed and re-stringified for embedding in HTML tags, in CSS...

UBUNTU-CVE-2026-41305

PostCSS takes a CSS file and provides an API to analyze and modify its rules by transforming the rules into an Abstract Syntax Tree. Versions prior to 8.5.10 do not escape sequences when stringifying CSS ASTs. When user-submitted CSS is parsed and re-stringified for embedding in HTML tags, in CSS...

Directory Traversal

Overview Affected versions of this package are vulnerable to Directory Traversal via the compilePipeline process. An attacker can execute arbitrary shell commands during the build process by supplying a crafted configuration file that sets pipeline.uses to a value containing directory traversal...

Directory Traversal

Overview Affected versions of this package are vulnerable to Directory Traversal via the compilePipeline process. An attacker can execute arbitrary shell commands during the build process by supplying a crafted configuration file that sets pipeline.uses to a value containing directory traversal...

Directory Traversal

Overview Affected versions of this package are vulnerable to Directory Traversal via the --persist-lint-results process. An attacker can overwrite arbitrary JSON files on the filesystem by supplying a crafted APK with manipulated .PKGINFO fields containing path traversal sequences. This is only...

Directory Traversal

Overview Affected versions of this package are vulnerable to Directory Traversal via the --persist-lint-results process. An attacker can overwrite arbitrary JSON files on the filesystem by supplying a crafted APK with manipulated .PKGINFO fields containing path traversal sequences. This is only...

CVE-2026-41305 PostCSS has XSS via Unescaped </style> in its CSS Stringify Output

PostCSS takes a CSS file and provides an API to analyze and modify its rules by transforming the rules into an Abstract Syntax Tree. Versions prior to 8.5.10 do not escape sequences when stringifying CSS ASTs. When user-submitted CSS is parsed and re-stringified for embedding in HTML tags, in CSS...

CVE-2026-41305

PostCSS (driver: CSS AST stringify) has an XSS risk in versions prior to 8.5.10 due to unescaped sequences when embedding user CSS into HTML tags. The issue arises when CSS is parsed into an AST and then re-stringified for embedding. Version 8.5.10 fixes the problem. Affected products: PostCSS;...

CVE-2026-41305 PostCSS has XSS via Unescaped </style> in its CSS Stringify Output

PostCSS takes a CSS file and provides an API to analyze and modify its rules by transforming the rules into an Abstract Syntax Tree. Versions prior to 8.5.10 do not escape sequences when stringifying CSS ASTs. When user-submitted CSS is parsed and re-stringified for embedding in HTML tags, in CSS...

CVE-2026-41305 PostCSS has XSS via Unescaped </style> in its CSS Stringify Output

PostCSS takes a CSS file and provides an API to analyze and modify its rules by transforming the rules into an Abstract Syntax Tree. Versions prior to 8.5.10 do not escape sequences when stringifying CSS ASTs. When user-submitted CSS is parsed and re-stringified for embedding in HTML tags, in CSS...

EUVD-2026-25383

PostCSS takes a CSS file and provides an API to analyze and modify its rules by transforming the rules into an Abstract Syntax Tree. Versions prior to 8.5.10 do not escape sequences when stringifying CSS ASTs. When user-submitted CSS is parsed and re-stringified for embedding in HTML tags, in CSS...

CVE-2026-41305

PostCSS takes a CSS file and provides an API to analyze and modify its rules by transforming the rules into an Abstract Syntax Tree. Versions prior to 8.5.10 do not escape sequences when stringifying CSS ASTs. When user-submitted CSS is parsed and re-stringified for embedding in HTML tags, in CSS...