CVE-2026-91942crawl4ai before 0.9.3 Cross-Site Scripting via innerHTML
Updated under an hour ago ()
Does this affect you?
It affects unclecode crawl4ai. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
Do this next
Free account, 1 product
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.
- CVSS
- 5.4 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
- Weakness (CWE)
- CWE-79
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulnCheck
- NVD analysis
- Awaiting Analysis
- Record last updated
- Sep 17, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
unclecode crawl4ai unclecode:crawl4ai (from the name) | before 0.9.3; 0.9.3 not affected | CNA record |
References
- https://github.com/unclecode/crawl4ai/security/advisories/GHSA-7g3g-vhm6-79f3vendor-advisory
- https://www.vulncheck.com/advisories/crawl4ai-before-0.9.3-cross-site-scripting-via-innerhtmlthird-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.