Cross-site scripting WordPress Multisite Plugin Manager

Posted: October 2, 2012 in Vulnerabilities
Tags: , ,

Wordpress VulnerabilityVulnerability: Cross-site scripting WordPress Multisite Plugin Manager

Danger: Low
Impact: Cross Site Scripting
Affected products: WordPress Multisite Plugin Manager 3.x

Affected versions: WordPress Multisite Plugin Manager 3.1.1, possibly earlier.


The vulnerability allows malicious people to conduct XSS attacks.

The vulnerability is caused due to insufficient input validation in the parameters “mass_activate” and “mass_deactivate” in script wp-admin/network/plugins.php (when the parameter “page” is “plugin-management”). This can be exploited to execute arbitrary HTML and script code in a user’s browser session in context of an affected site.

Manufacturer URL:

Solution: Install the latest version 3.1.2 from the manufacturer.

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