Vulnerability library
Security checkApril 24, 2026

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

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Medium severitynpmpostcss

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Description

No description available.

Recommendation

Update the postcss package to the latest compatible version. Followings are version details:

  • Affected version(s): < 8.5.10
  • Patched version(s): 8.5.10

References

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Related Issues

See something that needs correcting? Let us knowUpdated April 24, 2026