TWiki 6.0.1 - XSS (QUERYSTRING)
Overview #
A Cross-site Scripting (XSS) vulnerability exists in TWiki version 6.0.1 via the QUERYSTRING parameter. The vulnerability allows remote attackers to inject arbitrary web script or HTML.
Vulnerability Details #
Affected Versions: 6.0.1 and earlier
Affected Parameter: QUERYSTRING
Root Cause: Insufficient input validation and output encoding on the QUERYSTRING parameter allows attackers to inject malicious scripts.
Exploitation Requirements #
- No authentication required
- Victim must visit a crafted URL
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 TWiki that includes proper input sanitization and output encoding.