Overview #
A DOM-based Cross-site Scripting (XSS) vulnerability exists in the WordPress Twenty Fifteen Theme. The vulnerability allows remote attackers to inject arbitrary web script or HTML via DOM manipulation.
Vulnerability Details #
Affected Versions: All versions before patch
Root Cause: Insufficient input validation in client-side JavaScript allows DOM-based XSS attacks.
Exploitation Requirements #
- No authentication required
- Victim must visit a crafted URL
Impact #
Remote attackers can exploit this vulnerability to:
- Execute JavaScript in the victim's browser
- Steal WordPress session cookies
- Perform actions on behalf of users
Proof of Concept #
Details available upon request.
Solution #
Update WordPress and the Twenty Fifteen theme to the latest versions.
References #
Timeline #
2015-01-01— Discovered
Credits: Omar Kurt