Vulnerability · Published Nov 10, 2025 · Assigned by Chrome
CVE-2025-12431
Medium 6.5
In plain English
A medium-severity authentication bypass in Chrome from Google. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 14% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.2%top 86.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Inappropriate implementation in Extensions in Google Chrome prior to 142.0.7444.59 allowed an attacker who convinced a user to install a malicious extension to bypass navigation restrictions via a crafted Chrome Extension. (Chromium security severity: High)
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | chromium | 142.0.7444.59-1~deb12u1 | DEBIAN-CVE-2025-12431 |
| Debian:12 | chromium | 142.0.7444.59-1~deb12u1 | DSA-6046-1 |
| Debian:13 | chromium | 142.0.7444.59-1~deb13u1 | DEBIAN-CVE-2025-12431 |
| Debian:13 | chromium | 142.0.7444.59-1~deb13u1 | DSA-6046-1 |
| Debian:14 | chromium | 142.0.7444.59-1 | DEBIAN-CVE-2025-12431 |
Affected products (as reported)
Weakness: CWE-288 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N