WhisperX tag archive

#PostCSS

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.

Latest Signals (5)

The Lab · 2026-04-24 13:54:09 · GitHub Issues

1. CVE-2026-41305: Medium Severity Flaw Found in Widely-Used PostCSS Libraries Within React Dependency Chain

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...

The Lab · 2026-04-25 02:54:05 · GitHub Issues

2. PostCSS <8.5.10 Vulnerability: Unescaped </style> Tag Enables XSS via CSS Stringify

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...

The Lab · 2026-05-09 01:54:51 · GitHub Issues

3. PostCSS XSS Vulnerability (CVE-2026-41305) Triggers Security Update to v8.5.10

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...

The Lab · 2026-05-09 23:01:42 · GitHub Issues

4. PostCSS XSS Vulnerability CVE-2026-41305 Forces Dependency Override in Next.js Projects

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...

The Lab · 2026-05-12 17:48:31 · GitHub Issues

5. PostCSS Patches Critical XSS Vulnerability CVE-2026-41305 — Unescaped </style> Enables Client-Side Injection

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...