miniBB 3.1 - Cross-site Scripting

Advisory ID: RO-15-003
CVE ID: CVE-2015-2262
Severity: Medium
Vendor: miniBB
Product: miniBB Forum
Version: 3.1

Overview #

A Cross-site Scripting (XSS) vulnerability exists in miniBB Forum version 3.1. The vulnerability allows remote attackers to inject arbitrary web script or HTML.

Vulnerability Details #

Affected Versions: 3.1 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 forum user session cookies
  • Perform actions on behalf of users
  • Post malicious content

Proof of Concept #

Details available upon request.

Solution #

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

References #

Timeline:

  • [2015-01-01] - Discovered

Credits: Omar Kurt