Security features bypass in WebKitGTK+ and WPE WebKit - CVE-2025-43480
Published: November 4, 2025 / Updated: November 24, 2025
Vulnerability identifier: #VU117955
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2025-43480
CWE-ID: CWE-254
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: WebKitGTK
Affected software:
WebKitGTK+
WPE WebKit
WebKitGTK+
WPE WebKit
Detailed vulnerability description
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to improperly imposed security restrictions in WebKit. A remote attacker can trick the victim into visiting a specially crafted website and exfiltrate data cross-origin.
How to mitigate CVE-2025-43480
Install updates from vendor's website.