CVE-2025-39421: WordPress WP Sticky Side Buttons plugin <= 2.1 - Cross Site Request Forgery (CSRF) vulnerability

Severity: high (CVSS 7.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-04-17 · updated 2026-06-17
Weakness: CWE-352

Description

Cross-Site Request Forgery (CSRF) vulnerability in Mustafa KUCUK WP Sticky Side Buttons wp-sticky-side-buttons allows Stored XSS.This issue affects WP Sticky Side Buttons: from n/a through <= 2.1.

Affected products

Mustafa KUCUK WP Sticky Side Buttons: through 2.1

References

https://patchstack.com/database/Wordpress/Plugin/wp-sticky-side-buttons/vulnerability/wordpress-wp-sticky-side-buttons-plugin-2-1-cross-site-request-forgery-csrf-vulnerability?_s_id=cve

Get alerted when CVE-2025-39421 or the next vulnerability affects your stack