CVEvulnerability
CVE-2022-21169
6.1 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2022-09-26
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.3 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
- CVSS 3.1 ([email protected])
- 6.1 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- Weaknesses
- CWE-1321
Description
The package express-xss-sanitizer before 1.1.3 are vulnerable to Prototype Pollution via the allowedTags attribute, allowing the attacker to bypass xss sanitization.
Affected configurations
• express xss sanitizer project express xss sanitizer (< 1.1.3)
Related
Weakness · CWE (1)
- CWE-1321 Improperly Controlled Modification of Object Prototype Attributes weakness
References
- https://github.com/AhmedAdelFahim/express-xss-sanitizer/commit/3bf8aaaf4dbb1c209dcb8d87a82711a54c1ab39a Patch, Third Party Advisory
- https://github.com/AhmedAdelFahim/express-xss-sanitizer/issues/4 Exploit, Issue Tracking, Third Party Advisory
- https://runkit.com/embed/w306l6zfm7tu Patch, Third Party Advisory, URL Repurposed
- https://security.snyk.io/vuln/SNYK-JS-EXPRESSXSSSANITIZER-3027443 Exploit, Third Party Advisory
- https://github.com/AhmedAdelFahim/express-xss-sanitizer/commit/3bf8aaaf4dbb1c209dcb8d87a82711a54c1ab39a Patch, Third Party Advisory
- https://github.com/AhmedAdelFahim/express-xss-sanitizer/issues/4 Exploit, Issue Tracking, Third Party Advisory
- https://runkit.com/embed/w306l6zfm7tu Patch, Third Party Advisory, URL Repurposed
- https://security.snyk.io/vuln/SNYK-JS-EXPRESSXSSSANITIZER-3027443 Exploit, Third Party Advisory