#VU124405 Universal cross-site scripting in WebKitGTK+ and WPE WebKit - CVE-2026-28871

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Main Vulnerability Database Vulnerabilities #VU124405

#VU124405 Universal cross-site scripting in WebKitGTK+ and WPE WebKit - CVE-2026-28871

Published: March 25, 2026 / Updated: March 30, 2026


Vulnerability identifier: #VU124405
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Green
CVE-ID: CVE-2026-28871
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
WebKitGTK+
WPE WebKit
Software vendor:
WebKitGTK

Description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data in WebKit. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of an arbitrary website.


Remediation

Install updates from vendor's website.

External links