CVE-2025-12429

CVE-2025-12429

High · published November 11, 2025

CVSS v3.1
8.8
EPSS
0%
Percentile
23.2
In the wild
Unconfirmed
What it is

⚡ A remote attacker can exploit crafted HTML to manipulate data like a magician pulling rabbits from a hat! 🎩✨ Think of it as a restaurant where a rogue chef can slip in unauthorized ingredients into every dish served — no one knows until it’s too late! If a malicious HTML page can read/write data unchecked, it’s like letting someone meddle with your secret sauce without you noticing. This vulnerability could allow attackers to read sensitive information or even alter important data within users' browsers, leading to potential data breaches or loss of integrity. If exploited, the consequences could be quite catastrophic, impacting user trust and security on a massive scale.

Put simply

Think of it as a restaurant where a rogue chef can slip in unauthorized ingredients into every dish served — no one knows until it’s too late! If a malicious HTML page can read/write data unchecked, it’s like letting someone meddle with your secret sauce without you noticing. The flaw in the V8 engine of Google Chrome prior to version 142.0.7444.59 permits arbitrary read and write actions through a specially crafted HTML page, creating a serious security risk for users.

What to do

This vulnerability could allow attackers to read sensitive information or even alter important data within users' browsers, leading to potential data breaches or loss of integrity. If exploited, the consequences could be quite catastrophic, impacting user trust and security on a massive scale. Update Google Chrome to version 142.0.7444.59 or later immediately to patch this vulnerability. Additionally, consider implementing strict content security measures to mitigate risks from untrusted HTML content. You've got this! Just follow these steps, and you'll keep your browsing experience secure in no time! 🛡️

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
0.00316 · 23.2th percentile
Published
2025-11-11T01:15Z
Affected products (1)
ProductVersionsFixed in
google/chrome< 142.0.7444.59142.0.7444.59
References (2)
EPSS history
Timeline
  • 10 NOV 20:00Z
    Inappropriate implementation in V8 in Google Chrome prior to 142.0.7444.59 allowed a remote attacker to perform arbitrary read/write via a crafted HTML page
    cvelistv5