CVE-2021-23959

An XSS bug in internal error pages could have led to various spoofing attacks, including other error pages and the address bar

published February 26, 2021

CVSS
—
EPSS
1%
Percentile
46.3
In the wild
Unconfirmed
What it is

An XSS bug in internal error pages could have led to various spoofing attacks, including other error pages and the address bar. Note: This issue only affected Firefox for Android. Other operating systems are unaffected. This vulnerability affects Firefox < 85.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00567 · 46.3th percentile
Published
2021-02-26T02:06Z
EPSS history
Timeline
  • 26 FEB 02:06Z
    An XSS bug in internal error pages could have led to various spoofing attacks, including other error pages and the address bar
    cvelistv5