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HTB22875: XSS in Lazyest Gallery wordpress plugin
Vulnerability ID: HTB22875
Product: Lazyest Gallery wordpress plugin
Vendor: Brimosoft ( http://brimosoft.nl/ )
Vulnerable Version: 1.0.26
Vendor Notification: 24 February 2011
Vulnerability Type: XSS (Cross Site Scripting)
Risk level: Medium
Credit: High-Tech Bridge SA - Ethical Hacking & Penetration Testing (http://www.htbridge.ch/)
The vulnerability exists due to failure in the "/wp-content/plugins/lazyest-gallery/lazyest-popup.php" script to properly sanitize user-supplied input in "image" variable.
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: