Subrion CMS 3.2.2 - Cross-site Scripting

Overview #

A Cross-site Scripting (XSS) vulnerability exists in Subrion CMS version 3.2.2. The vulnerability allows remote attackers to inject arbitrary web script or HTML.

Vulnerability Details #

Affected Versions: 3.2.2 and earlier

Root Cause: Insufficient input validation and output encoding allows attackers to inject malicious scripts.

Exploitation Requirements #

• No authentication required
• Victim must visit a crafted URL or page

Impact #

Remote attackers can exploit this vulnerability to:

• Steal user session cookies
• Perform actions on behalf of victims
• Redirect users to malicious websites

Proof of Concept #

Details available upon request.

Solution #

Upgrade to a patched version of Subrion CMS that includes proper input sanitization and output encoding.

References #

• CVE-2014-9120

Timeline #

• 2014-01-01 — Discovered

Credits: Omar Kurt