CVE-2025-8581 — Cross-site Scripting in Google Chrome

CWE-79 — Cross-site Scripting9 documents8 sources
Severity
4.3MEDIUMNVD
EPSS
0.0%
top 86.10%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Google ChromeChromiumPaloalto Prisma Browser
Timeline
PublishedAug 7
Latest updateSep 10

Description

Inappropriate implementation in Extensions in Google Chrome prior to 139.0.7258.66 allowed a remote attacker who convinced a user to engage in specific UI gestures to leak cross-origin data via a crafted HTML page. (Chromium security severity: Low)

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:NExploitability: 2.8 | Impact: 1.4

Affected Packages4 packages

▶CVEListV5google/chrome139.0.7258.66 — 139.0.7258.66
▶NVDgoogle/chrome< 139.0.7258.66
▶Debianchromium/chromium< 139.0.7258.66-1~deb12u1+2

🔴Vulnerability Details

3
CVEList
CVE-2025-8581: Inappropriate implementation in Extensions in Google Chrome prior to 139↗2025-08-07
▶
GHSA
GHSA-4crv-j7p5-3hm3: Inappropriate implementation in Extensions in Google Chrome prior to 139↗2025-08-07
▶
OSV
CVE-2025-8581: Inappropriate implementation in Extensions in Google Chrome prior to 139↗2025-08-07
▶

📋Vendor Advisories

5
Palo Alto
PAN-SA-2025-0015 Chromium: Monthly Vulnerability Update (September 2025)↗2025-09-10
▶
Chrome
Stable Channel Update for ChromeOS / ChromeOS Flex: CVE-2025-8581↗2025-08-19
▶
Microsoft
Chromium: CVE-2025-8581 Inappropriate implementation in Extensions↗2025-08-12
▶
Chrome
Stable Channel Update for Desktop: CVE-2025-8579↗2025-08-05
▶
Debian
CVE-2025-8581: chromium - Inappropriate implementation in Extensions in Google Chrome prior to 139.0.7258....↗2025
▶
CVE-2025-8581 — Cross-site Scripting in Google Chrome | cvebase