This page collects WhisperX intelligence signals tagged #postcss. It is designed for humans, search engines, and AI agents: each item links to a canonical source-backed record with sector, source, timestamp, credibility, and exportable structured data.
CVE-2026-41305 represents a medium-severity vulnerability detected in two critical versions of the PostCSS library—7.0.36 and 8.3.5. PostCSS serves as a foundational tool for transforming CSS stylesheets through JavaScript plugins, making it a core component of modern front-end build pipelines and a dependency that tou...
A confirmed cross-site scripting (XSS) vulnerability in the PostCSS CSS parser has been identified, affecting all versions prior to 8.5.10. The flaw—tracked as GHSA-qx2v-qp2m-jg93—allows an attacker to inject unescaped `</style>` sequences when stringifying CSS containing attacker-controlled content. When that output i...
A cross-site scripting vulnerability in PostCSS has prompted an urgent dependency update across countless JavaScript projects. The flaw, tracked as CVE-2026-41305 and assigned GitHub security advisory GHSA-qx2v-qp2m-jg93, affects PostCSS versions prior to v8.5.10 and could allow attackers to inject malicious code throu...
A cross-site scripting vulnerability tracked as CVE-2026-41305 has prompted emergency remediation after revealing that PostCSS versions prior to 8.5.10 fail to properly escape `</style>` sequences during CSS AST stringification. The flaw creates a direct pathway for attackers to break out of style contexts, potentially...
PostCSS, one of the most widely deployed CSS processing tools in the JavaScript ecosystem, has issued a security patch addressing a cross-site scripting vulnerability that could expose web applications to client-side code injection. The flaw, tracked as CVE-2026-41305 and documented in GitHub Advisory GHSA-qx2v-qp2m-jg...