CVE-2025-12907CWE-20

CVE-2025-12907

High · published November 8, 2025

CVSS v3.1
8.8
EPSS
0%
Percentile
21.0
In the wild
Unconfirmed
What it is

⚡ A crafty bit of untrusted input in Google Chrome's Devtools could let an attacker execute arbitrary code with just a little user interaction! 😱 Think of it like a restaurant where an unsuspecting diner is given a menu with a few hidden ingredients. If they order a dish that looks safe but contains something harmful, it could lead to disaster! 🍽️ If exploited, this vulnerability could allow a remote attacker to take control of your system, running arbitrary code like a magician pulling rabbits out of hats. They could change settings, steal data, or even install malicious software — all while you think everything is just fine! 🚨

Put simply

Think of it like a restaurant where an unsuspecting diner is given a menu with a few hidden ingredients. If they order a dish that looks safe but contains something harmful, it could lead to disaster! 🍽️ This flaw arises from insufficient validation of input in the Devtools of Google Chrome before version 140.0.7339.80, which means it can be tricked into executing unverified code provided by an attacker during user actions.

What to do

If exploited, this vulnerability could allow a remote attacker to take control of your system, running arbitrary code like a magician pulling rabbits out of hats. They could change settings, steal data, or even install malicious software — all while you think everything is just fine! 🚨 Update Google Chrome to version 140.0.7339.80 or later as soon as possible to close this security gap. Remind your users to be cautious about the scripts and actions they execute in Devtools. 🛡️ You've got this! Just follow the steps and you'll keep your Chrome experience secure and sound! 🔒

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00294 · 21.0th percentile
Weakness
CWE-20 · Improper Input Validation
Published
2025-11-08T05:15Z
Affected products (1)
ProductVersionsFixed in
google/chrome< 140.0.7339.80140.0.7339.80
References (2)
EPSS history
Timeline
  • 07 NOV 23:23Z
    Insufficient validation of untrusted input in Devtools in Google Chrome prior to 140.0.7339.80 allowed a remote attacker to execute arbitrary code via user…
    cvelistv5