medium6.1
CVE-2021-23974
The DOMParser API did not properly process '<noscript>' elements for escaping.
Impact
The DOMParser API did not properly process '<noscript>' elements for escaping. This could be used as an mXSS vector to bypass an HTML Sanitizer. This vulnerability affects Firefox < 86.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Mozilla | Firefox | before 86.0 |
References
- NVD record
- CVE.org record
- https://bugzilla.mozilla.org/buglist.cgi?bug_id=1528997%2C1683627
- https://security.gentoo.org/glsa/202104-10
- https://www.mozilla.org/security/advisories/mfsa2021-07/
- https://bugzilla.mozilla.org/buglist.cgi?bug_id=1528997%2C1683627
- https://security.gentoo.org/glsa/202104-10
- https://www.mozilla.org/security/advisories/mfsa2021-07/