#VU106882 Universal cross-site scripting in WPE WebKit and WebKitGTK+ - CVE-2025-24208

Vulnerability identifier: #VU106882

Vulnerability risk: Medium

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2025-24208

CWE-ID: CWE-79

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
WPE WebKit
Server applications / Frameworks for developing and running applications
WebKitGTK+
Server applications / Frameworks for developing and running applications

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 when handling iframes. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

WPE WebKit: 2.48.0

WebKitGTK+: 2.48.0

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External links
https://support.apple.com/en-us/122379
https://webkitgtk.org/security/WSA-2025-0003.html

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.