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PostCSS: incomplete fix of GHSA-6g55-p6wh-862q — attacker-controlled sourceMappingURL reads arbitrary .map files when `from` is unset
PostCSS: incomplete fix of GHSA-6g55-p6wh-862q — attacker-controlled sourceMappingURL reads arbitrary .map files when `from` is unset
Affected packages
- postcss
Exploit signal
- Known exploited (CISA KEV)
- No
- EPSS score
- 0.36%
- EPSS percentile
- 28.5%
EPSS is the probability a CVE is exploited in the wild; percentile is its rank among all CVEs. This advisory is in the top 28%.
Sources
- https://github.com/postcss/postcss/security/advisories/GHSA-fxqj-rqcc-2cmp
- https://github.com/postcss/postcss/commit/7beca139e70f9075c6b19700fcb00dd8033e5da8
- https://github.com/postcss/postcss
- https://github.com/postcss/postcss/releases/tag/8.5.19
Structured record: https://osv.dev/vulnerability/GHSA-fxqj-rqcc-2cmp
Recommended response stack
Snyk — Scan your dependencies in CI and fix this vulnerability.→Socket — Detect malicious and compromised packages before they ship.→
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