HTB22867: XSS in PhotoSmash wordpress plugin

Subject: HTB22867: XSS in PhotoSmash wordpress plugin

Vulnerability ID: HTB22867
Product: PhotoSmash wordpress plugin
Vendor: Byron Bennett ( ) 
Vulnerable Version: 1.0.1 
Vendor Notification: 22 February 2011 
Vulnerability Type: XSS (Cross Site Scripting)
Status: Fixed by Vendor
Risk level: Medium 
Credit: High-Tech Bridge SA - Ethical Hacking & Penetration Testing ( 

Vulnerability Details:
The vulnerability exists due to failure in the "/wp-content/plugins/photosmash-galleries/index.php" script to properly sanitize user-supplied input in "action" variable.
User can execute arbitrary JavaScript code within the vulnerable application.
Successful exploitation of this vulnerability could result in a compromise of the application, theft of cookie-based authentication credentials, disclosure or modification of sensitive data.

The following PoC is available:


Solution: Upgrade to the most recent version

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