CVE-2026-8013CWE-20

Insufficient validation of untrusted input in FedCM in Google Chrome prior to 148.0.7778.96 allowed a remote attacker to leak cross-origin data via a crafted…

Medium · published May 6, 2026

CVSS v3.1
4.3
EPSS
0%
Percentile
16.6
In the wild
Unconfirmed
What it is

Insufficient validation of untrusted input in FedCM in Google Chrome prior to 148.0.7778.96 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Low)

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:L/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00259 · 16.6th percentile
Weakness
CWE-20 · Improper Input Validation
Published
2026-05-06T18:13Z
EPSS history
Timeline
  • 06 MAY 18:13Z
    Insufficient validation of untrusted input in FedCM in Google Chrome prior to 148.0.7778.96 allowed a remote attacker to leak cross-origin data via a crafted…
    cvelistv5