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...

PT-2026-34839

Name of the Vulnerable Software and Affected Versions PostCSS versions prior to 8.5.10 Description PostCSS transforms CSS files into an Abstract Syntax Tree AST to analyze and modify rules. The software fails to escape sequences when stringifying CSS ASTs. If user-submitted CSS is parsed and then...