MEDIUM 5.1 NVD
CVE-2026-91942
crawl4ai before 0.9.3 contains a DOM-based cross-site scripting vulnerability in the Docker Playground UI that assigns untrusted crawl results to element.innerH
crawl4ai before 0.9.3 contains a DOM-based cross-site scripting vulnerability in the Docker Playground UI that assigns untrusted crawl results to element.innerHTML. Attackers can craft malicious PDFs with event-handler markup to execute JavaScript in the Playground origin and steal API tokens from sessionStorage for authenticated API abuse.
References
- https://github.com/unclecode/crawl4ai/security/advisories/GHSA-7g3g-vhm6-79f3
- https://www.vulncheck.com/advisories/crawl4ai-before-0.9.3-cross-site-scripting-via-innerh
This medium severity vulnerability with a CVSS score of 5.1 was published on 2026-09-15 via NVD.
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