CVE-2021-23974

The DOMParser API did not properly process '<noscript>' elements for escaping

published February 26, 2021

CVSS
—
EPSS
1%
Percentile
54.5
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00753 · 54.5th percentile
Published
2021-02-26T01:51Z
EPSS history
Timeline
  • 26 FEB 01:51Z
    The DOMParser API did not properly process '<noscript>' elements for escaping
    cvelistv5