CSRF in Widgetpack Comment System
CVE-2025-9621
The WidgetPack Comment System plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.6.1. This is due to missing or incorrect nonce validation on the wpcmt_sync action in the wpcmt_request_handler function. This makes it possible for unauthenticated attackers to trigger comment synchronization events via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
Vulnerability class: CSRF (Cross-Site Request Forgery)
EPSS: 0.002 (4.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.
Affected products
- Widgetpack Comment System — versions 0
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2025-9621?
- CVE-2025-9621 is a medium-severity vulnerability in Widgetpack Comment System, classified under Cross-Site Request Forgery (CSRF). CVSS score: 4.3/10. Published 2025-10-11.
- How severe is CVE-2025-9621?
- Medium severity. CVSS v3 base score is 4.3 out of 10.