CVE-2026-13999

Insufficient validation of untrusted input in Extensions in Google Chrome prior to 150.0.7871.47 allowed an attacker who convinced a user to install a…

Medium · published June 30, 2026

CVSS v3.1
4.3
EPSS
0%
Percentile
7.8
In the wild
Unconfirmed
What it is

Insufficient validation of untrusted input in Extensions in Google Chrome prior to 150.0.7871.47 allowed an attacker who convinced a user to install a malicious extension to perform UI spoofing via a crafted Chrome Extension. (Chromium security severity: Medium)

The record
Technical detail
CVSS v3.1
4.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00187 · 7.8th percentile
Published
2026-06-30T22:38Z
EPSS history
Timeline
  • 30 JUN 22:38Z
    Insufficient validation of untrusted input in Extensions in Google Chrome prior to 150.0.7871.47 allowed an attacker who convinced a user to install a…
    cvelistv5