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postcss (npm) · Teire

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postcss

npm

latest 8.5.32 · 2026-10-26www.npmjs.com · all 296 versions

Security advisories6

postcss: Regular Expression Denial of Service in postcssfixed in 8.2.13, 7.0.36
postcss: PostCSS: Arbitrary file read and information disclosure via attacker-controlled sourceMappingURL in CSS commentsfixed in 8.5.12
postcss: PostCSS line return parsing errorfixed in 8.4.31
postcss: PostCSS: incomplete fix of GHSA-6g55-p6wh-862q — attacker-controlled sourceMappingURL reads arbitrary .map files when `from` is unsetfixed in 8.5.23

Versions that change something

7.0.362021-06fixes 1 advisory
8.2.132021-04fixes 1 advisory
8.4.312023-09fixes 1 advisory
8.5.102026-04fixes 1 advisory

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

fixed in 8.5.10

postcss: PostCSS: Path Traversal in Previous Source Map Auto-Loading (sourceMappingURL) leads to Arbitrary .map File Disclosurefixed in 8.5.18

8.5.12

2026-04

fixes 1 advisory

8.5.182026-07fixes 1 advisory

8.5.232026-07fixes 1 advisory