CVE-2025-10534CWE-79cross-site-scripting

CVE-2025-10534

High · published September 16, 2025

CVSS v3.1
8.1
EPSS
0%
Percentile
27.6
In the wild
Unconfirmed
What it is

Spoofing issue in the Site Permissions component. This vulnerability was fixed in Firefox 143 and Thunderbird 143.

The record
Technical detail
CVSS v3.1
8.1 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00352 · 27.6th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2025-09-16T17:15Z
Affected products (2)
ProductVersionsFixed in
mozilla/firefox< 143.0143.0
mozilla/thunderbird< 143.0143.0
References (3)
https://bugzilla.mozilla.org/show_bug.cgi?id=1665334 · [email protected]https://www.mozilla.org/security/advisories/mfsa2025-73/ · [email protected]https://www.mozilla.org/security/advisories/mfsa2025-77/ · [email protected]
EPSS history
Timeline
  • 16 SEP 12:26Z
    Spoofing issue in the Site Permissions component
    cvelistv5