MEDIUM

CVE-2026-91942

2026-09-15 CVSS v3.1

CVSS

5.4

Description

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.

Weakness (CWE)

CWE-79 Cross-site Scripting (XSS)

EPSS Score

0.22%

Probability of exploitation in next 30 days

13.2th percentile

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-innerhtml

View on dbcve.org

Base CVE data derived from NVD (public domain). Enrichment by dbcve.org (CC-BY-4.0). Fetched via API.

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