NetSight
medium5.4

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.inner…

Impact

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.

Affected products

ProductAffected versions
Crawl4ai
before 0.9.3

Versions were read from the advisory text. No structured product data has been published for this record yet.

Weakness classification

References