๐Ÿ” CVE Alert

CVE-2026-119121

MEDIUM 4.3

Crawl4AI 0.9.0 before 0.9.5 JavaScript Injection via css_selector and wait_for

CVSS Score
4.3
EPSS Score
0.0%
EPSS Percentile
0th

Crawl4AI from 0.9.0 before 0.9.5 contains a JavaScript injection vulnerability in the Docker API server that allows authenticated API clients to run arbitrary JavaScript in the crawl page via allowlisted css_selector and wait_for fields. Attackers can inject quotes into css_selector or supply js: conditions in wait_for, bypassing the js_code block to alter page state and returned crawl content.

CWE CWE-95
Vendor unclecode
Product crawl4ai
Published Oct 29, 2026
Last Updated Oct 29, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None

Affected Versions

unclecode / crawl4ai
0.9.0 < 0.9.5

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
github.com: https://github.com/unclecode/crawl4ai/security/advisories/GHSA-qj46-wp7m-rgj8 vulncheck.com: https://www.vulncheck.com/advisories/crawl4ai-0.9.0-before-0.9.5-javascript-injection-via-css-selector-and-wait-for

Credits

๐Ÿ” manus-use ntohidi