CVE-2025-8577
MEDIUMCVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Lifecycle Timeline
3Description
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)
Analysis
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. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Technical Context
This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. 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) Affected products include: Google Chrome. Version information: prior to 139.0.7258.66.
Affected Products
Google Chrome.
Remediation
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.
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External POC / Exploit Code
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