CVSS 4.0
5.3 mediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:NCVE-2026-56263
Medium (5.3) in kidocode crawl4ai. EPSS 0.3% chance of exploitation in the next 30 days. Fixed in crawl4ai 0.8.7.
Crawl4AI before 0.8.7 contains a stored cross-site scripting vulnerability in the monitor dashboard that renders crawl URLs and error messages via innerHTML without escaping. An attacker can submit a crafted crawl request with malicious markup that executes in an operator's browser when viewing the dashboard.
Severity
CVSS 3.1
6.1 mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N- EPSS
- 0.3% chance of exploitation in the next 30 days; higher than 27% of CVEs (scores of 2026-10-31)
- CWE
- CWE-79
- Published
- Modified
- Record from
- the NVD, synced
Affected
- kidocode:crawl4ai
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-365w-hqf6-vxfg | PyPI | crawl4ai | <0.8.7 | 0.8.7 |
| GHSA-8qrg-7j2f-rf2h | PyPI | crawl4ai | <0.8.7 | 0.8.7 |
| PYSEC-2026-229 | PyPI | crawl4ai | <0.8.7 | 0.8.7 |
| PYSEC-2026-230 | PyPI | crawl4ai | <0.8.7 | 0.8.7 |
| PYSEC-2026-239 | PyPI | crawl4ai | <0.8.7 | 0.8.7 |
| PYSEC-2026-3443 | PyPI | crawl4ai | <0.8.7 | 0.8.7 |
| PYSEC-2026-3449 | PyPI | crawl4ai | <0.8.7 | 0.8.7 |
| PYSEC-2026-596 | PyPI | crawl4ai | <0.8.7 | 0.8.7 |
| PYSEC-2026-798 | PyPI | crawl4ai | <0.8.7 | 0.8.7 |