CVE-2025-12911

Inappropriate implementation in Permissions in Google Chrome prior to 140.0.7339.80 allowed a...

4.3 MediumFix available

Inappropriate implementation in Permissions in Google Chrome prior to 140.0.7339.80 allowed a remote attacker to perform UI spoofing via a crafted HTML page. (Chromium security severity: Low)

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: Required

What an attacker can affect

Confidentiality: None
Integrity: Low
Availability: None

Exploit likelihood

0.23%Up 0.2 points since Nov 8, 2025

What each source reports

CVE List Score used4.3

Inappropriate implementation in Permissions in Google Chrome prior to 140.0.7339.80 allowed a remote attacker to perform UI spoofing via a crafted HTML page. (Chromium security severity: Low)

Record: CVE-2025-12911
CVSS 3.1: 4.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Weakness: CWE-451
Updated: 2026-11-02

EUVDEUVD-2025-383344.3

Inappropriate implementation in Permissions in Google Chrome prior to 140.0.7339.80 allowed a remote attacker to perform UI spoofing via a crafted HTML page. (Chromium security severity: Low)

Record: EUVD-2025-38334
CVSS 3.1: 4.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-6494-xg3r-pv384.3

Inappropriate implementation in Permissions in Google Chrome prior to 140.0.7339.80 allowed a...

Inappropriate implementation in Permissions in Google Chrome prior to 140.0.7339.80 allowed a remote attacker to perform UI spoofing via a crafted HTML page. (Chromium security severity: Low)

Record: GHSA-6494-xg3r-pv38
CVSS 3.1: 4.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Weakness: CWE-451
Updated: 2026-11-02

NVD4.3

Inappropriate implementation in Permissions in Google Chrome prior to 140.0.7339.80 allowed a remote attacker to perform UI spoofing via a crafted HTML page. (Chromium security severity: Low)

Record: CVE-2025-12911
CVSS 3.1: 4.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Weakness: CWE-451
Updated: 2026-11-02

OSV4.3

Inappropriate implementation in Permissions in Google Chrome prior to 140.0.7339.80 allowed a remote attacker to perform UI spoofing via a crafted HTML page. (Chromium security severity: Low)

Record: CVE-2025-12911
CVSS 3.1: 4.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Updated: 2026-11-02

OSVDEBIAN-CVE-2025-129114.3

Inappropriate implementation in Permissions in Google Chrome prior to 140.0.7339.80 allowed a remote attacker to perform UI spoofing via a crafted HTML page. (Chromium security severity: Low)

Record: DEBIAN-CVE-2025-12911
CVSS 3.1: 4.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Updated: 2026-11-02

Affected products

google chrome

Affected packages

Affected packages
Package	Affected	Fixed
`chromium` Debian:12	before 140.0.7339.80-1~deb12u1, plus listed versions 113.0.5672.126-1114.0.5735.106-1114.0.5735.106-1~deb11u1114.0.5735.106-1~deb12u1114.0.5735.133-1 Show 45 moreShow less 114.0.5735.133-1~deb11u1114.0.5735.133-1~deb12u1114.0.5735.198-1114.0.5735.198-1~deb11u1114.0.5735.198-1~deb12u1114.0.5735.90-1114.0.5735.90-2114.0.5735.90-2~deb11u1114.0.5735.90-2~deb12u1115.0.5790.102-1115.0.5790.102-2115.0.5790.170-1115.0.5790.170-1~deb11u1115.0.5790.170-1~deb12u1115.0.5790.98-1115.0.5790.98-1~deb11u1115.0.5790.98-1~deb12u1115.0.5790.98-2116.0.5845.110-1116.0.5845.110-1~deb11u1116.0.5845.110-1~deb12u1116.0.5845.110-2116.0.5845.140-1116.0.5845.140-1~deb11u1116.0.5845.140-1~deb12u1116.0.5845.180-1116.0.5845.180-1~deb11u1116.0.5845.180-1~deb12u1116.0.5845.96-1116.0.5845.96-1~deb11u1116.0.5845.96-1~deb12u1116.0.5845.96-2117.0.5938.132-1117.0.5938.132-1~deb11u1117.0.5938.132-1~deb12u1117.0.5938.132-2117.0.5938.149-1117.0.5938.149-1~deb11u1117.0.5938.149-1~deb12u1117.0.5938.62-1117.0.5938.62-1~deb11u1117.0.5938.62-1~deb12u1117.0.5938.92-1118.0.5993.117-1118.0.5993.117-1~deb11u1	140.0.7339.80-1~deb12u1
`chromium` Debian:13	before 140.0.7339.80-1~deb13u1, plus listed versions 138.0.7204.183-1139.0.7258.127-1139.0.7258.127-1~deb12u1139.0.7258.127-1~deb13u1139.0.7258.127-2 Show 9 moreShow less 139.0.7258.138-1139.0.7258.138-1~deb12u1139.0.7258.138-1~deb13u1139.0.7258.154-1139.0.7258.154-1~deb12u1139.0.7258.154-1~deb13u1139.0.7258.66-1139.0.7258.66-1~deb12u1140.0.7339.80-1~deb12u1	140.0.7339.80-1~deb13u1
`chromium` Debian:14	before 140.0.7339.80-1, plus listed versions 138.0.7204.183-1139.0.7258.127-1139.0.7258.127-1~deb12u1139.0.7258.127-1~deb13u1139.0.7258.127-2 Show 10 moreShow less 139.0.7258.138-1139.0.7258.138-1~deb12u1139.0.7258.138-1~deb13u1139.0.7258.154-1139.0.7258.154-1~deb12u1139.0.7258.154-1~deb13u1139.0.7258.66-1139.0.7258.66-1~deb12u1140.0.7339.80-1~deb12u1140.0.7339.80-1~deb13u1	140.0.7339.80-1
`chromium` Debian:12 From an advisory covering 9 CVEs	before 140.0.7339.80-1~deb12u1, plus listed versions 113.0.5672.126-1114.0.5735.106-1114.0.5735.106-1~deb11u1114.0.5735.106-1~deb12u1114.0.5735.133-1 Show 45 moreShow less 114.0.5735.133-1~deb11u1114.0.5735.133-1~deb12u1114.0.5735.198-1114.0.5735.198-1~deb11u1114.0.5735.198-1~deb12u1114.0.5735.90-1114.0.5735.90-2114.0.5735.90-2~deb11u1114.0.5735.90-2~deb12u1115.0.5790.102-1115.0.5790.102-2115.0.5790.170-1115.0.5790.170-1~deb11u1115.0.5790.170-1~deb12u1115.0.5790.98-1115.0.5790.98-1~deb11u1115.0.5790.98-1~deb12u1115.0.5790.98-2116.0.5845.110-1116.0.5845.110-1~deb11u1116.0.5845.110-1~deb12u1116.0.5845.110-2116.0.5845.140-1116.0.5845.140-1~deb11u1116.0.5845.140-1~deb12u1116.0.5845.180-1116.0.5845.180-1~deb11u1116.0.5845.180-1~deb12u1116.0.5845.96-1116.0.5845.96-1~deb11u1116.0.5845.96-1~deb12u1116.0.5845.96-2117.0.5938.132-1117.0.5938.132-1~deb11u1117.0.5938.132-1~deb12u1117.0.5938.132-2117.0.5938.149-1117.0.5938.149-1~deb11u1117.0.5938.149-1~deb12u1117.0.5938.62-1117.0.5938.62-1~deb11u1117.0.5938.62-1~deb12u1117.0.5938.92-1118.0.5993.117-1118.0.5993.117-1~deb11u1	140.0.7339.80-1~deb12u1
`chromium` Debian:13 From an advisory covering 9 CVEs	before 140.0.7339.80-1~deb13u1, plus listed versions 138.0.7204.183-1139.0.7258.127-1139.0.7258.127-1~deb12u1139.0.7258.127-1~deb13u1139.0.7258.127-2 Show 9 moreShow less 139.0.7258.138-1139.0.7258.138-1~deb12u1139.0.7258.138-1~deb13u1139.0.7258.154-1139.0.7258.154-1~deb12u1139.0.7258.154-1~deb13u1139.0.7258.66-1139.0.7258.66-1~deb12u1140.0.7339.80-1~deb12u1	140.0.7339.80-1~deb13u1

History

History
Recorded	Changed	Sources
Nov 6, 2026	affected, facts
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2025-12911 is a medium vulnerability (CVSS 4.3) in Google Chrome, published September 5, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.23%, the 13th percentile. Fixed in chromium 140.0.7339.80-1~deb12u1.

References

This page doesn't list everything

Left out here: 396 versions. The JSON record has them.