Vulnerability 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.
CVSS Score
7.3
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Express Xss Sanitizer Project | Express Xss Sanitizer | < 1.1.3 |
Related Weaknesses (CWE)
References
- https://github.com/AhmedAdelFahim/express-xss-sanitizer/commit/3bf8aaaf4dbb1c209PatchThird Party Advisory
- https://github.com/AhmedAdelFahim/express-xss-sanitizer/issues/4ExploitIssue TrackingThird Party Advisory
- https://runkit.com/embed/w306l6zfm7tuPatchThird Party AdvisoryURL Repurposed
- https://security.snyk.io/vuln/SNYK-JS-EXPRESSXSSSANITIZER-3027443ExploitThird Party Advisory
- https://github.com/AhmedAdelFahim/express-xss-sanitizer/commit/3bf8aaaf4dbb1c209PatchThird Party Advisory
- https://github.com/AhmedAdelFahim/express-xss-sanitizer/issues/4ExploitIssue TrackingThird Party Advisory
- https://runkit.com/embed/w306l6zfm7tuPatchThird Party AdvisoryURL Repurposed
- https://security.snyk.io/vuln/SNYK-JS-EXPRESSXSSSANITIZER-3027443ExploitThird Party Advisory
FAQ
What is CVE-2022-21169?
CVE-2022-21169 is a vulnerability with a CVSS score of 7.3 (HIGH). 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.
How severe is CVE-2022-21169?
CVE-2022-21169 has been rated HIGH with a CVSS base score of 7.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2022-21169?
Check the references section above for vendor advisories and patch information. Affected products include: Express Xss Sanitizer Project Express Xss Sanitizer.