CVE-2021-23974

Published: Feb 26, 2021

Modified: Aug 3, 2024

PUBLISHED

Description

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.

Vendor	Product	Versions
Mozilla	Firefox	affected `< 86`

References

https://www.mozilla.org/security/advisories/mfsa2021-07/

x_refsource_MISC

https://bugzilla.mozilla.org/buglist.cgi?bug_id=1528997%2C1683627

x_refsource_MISC

GLSA-202104-10

vendor-advisory

x_refsource_GENTOO

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CVE-2021-23974

Description

Affected Products

References