fix: upgrade postcss to 8.5.18 (GHSA-r28c-9q8g-f849) - #463
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Automated dependency upgrade by OrbisAI Security
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Summary
Upgrade postcss from 8.5.15 to 8.5.18 to fix GHSA-r28c-9q8g-f849.
Vulnerability
GHSA-r28c-9q8g-f849frontend/package-lock.json(dependency:postcss)Description: PostCSS: Path Traversal in Previous Source Map Auto-Loading (sourceMappingURL) leads to Arbitrary .map File Disclosure
Changes
frontend/package.jsonfrontend/package-lock.jsonBehavior Preservation
The change is scoped to 2 files on the vulnerable path; it only tightens handling of untrusted input and leaves valid inputs unaffected.
This patch removes an exploit primitive — a code pattern that, while not independently exploitable today, could be chained with other weaknesses by automated exploit-development tooling. Proactive removal of such primitives raises the bar against increasingly capable automated attack tools.
Automated security fix by OrbisAI Security