CVE-2025-8577: google chrome Cross-site Scripting
CVSS: 4.3v3.1MediumAnalyzed
AliasesDEBIAN-CVE-2025-8577CGA-3r8w-qmgx-vh9qCGA-77rw-x4vj-p8q7
Published 07-08-2025Last modified 07-08-2025
Vulnerability summary
CVE-2025-8577 is a medium (CVSS 4.3) Cross-site Scripting vulnerability in google chrome. EPSS estimates a 0.24% chance of exploitation in the next 30 days, higher than 14.6% of scored vulnerabilities.
CVSS score
4.3/10
010
Medium · v3.1 (CVE.org)EPSS score
0.24%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 2 · Related 2Timeline
- 07-08-2025PublishedVulnerability first disclosed.
- 07-08-2025Last modifiedVulnerability information updated.
Description
Inappropriate implementation in Picture In Picture in Google Chrome prior to 139.0.7258.66 allowed a remote attacker who convinced a user to engage in specific UI gestures to perform UI spoofing via a crafted HTML page. (Chromium security severity: Medium)
CVSS metrics
5 scores · 5 sources · 1 versionMedium 4.3Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:NSourcesAll 5 agree
- OSV · DebianEcosystem advisory · calculated4.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
- OSV · WolfiEcosystem advisory · calculated4.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
- OSV · ChainguardEcosystem advisory · calculated4.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
- NVDNIST4.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
EPSS trend
Probability
0.24%
Chance of exploitation in the next 30 days
Percentile
15%
Versus all other CVEs
30-day change
0.00 pp
From 0.24% on 21-09-2026
21-09-202621-10-2026
EPSS score0.24%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Chainguard1 product
- chromium< 139.0.7258.66-r0
Debian1 product
- chromium< 139.0.7258.66-1~deb12u1 | < 139.0.7258.127-1~deb13u1 | < 139.0.7258.66-1
Google1 product
- chrome≥ 139.0.7258.66, < 139.0.7258.66 | < 139.0.7258.66
Wolfi1 product
- chromium< 139.0.7258.66-r0
4 vendors · 4 products
References
3 links- chromereleases.googleblog.com/2025/08/stable-channel-update-for-desktop.htmlAdvisoryRelease NotesVendor Advisory