CVE-2026-11259CWE-20

Insufficient validation of untrusted input in Cast in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to bypass same origin policy via a crafted…

Medium · published June 4, 2026

CVSS v3.1
4.3
EPSS
0%
Percentile
7.4
In the wild
Unconfirmed
What it is

Insufficient validation of untrusted input in Cast in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to bypass same origin policy 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:N/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00182 · 7.4th percentile
Weakness
CWE-20 · Improper Input Validation
Published
2026-06-04T23:06Z
EPSS history
Timeline
  • 04 JUN 23:06Z
    Insufficient validation of untrusted input in Cast in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to bypass same origin policy via a crafted…
    cvelistv5