Geeklog 2.2.1 Cross Site Scripting

Geeklog 2.2.1 Cross Site Scripting

Geeklog 2.2.1 - Cross-site Scripting
Advisory ID: Geeklog 2.2.1 Cross Site Scripting

Geeklog 2.2.1 - Cross-site Scripting
Advisory ID: RO-20-001
Severity: Medium
Vendor: Geeklog
Product: Geeklog CMS
Version: 2.2.1


Overview #

A Cross-site Scripting (XSS) vulnerability exists in Geeklog CMS version 2.2.1. The vulnerability allows remote attackers to inject arbitrary web script or HTML.


Vulnerability Details #

Affected Versions: 2.2.1 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 user session cookies
Perform actions on behalf of users
Access CMS content

Proof of Concept #

Details available upon request.


Solution #

Upgrade to a patched version of Geeklog that includes proper input sanitization.


References #

Invicti Advisory NS-20-001

Timeline:

[2020-01-01] - Discovered

Credits: Omar Kurt