BaseFortify

Publication date: 2025-10-11

Last updated on: 2025-10-14

Assigner: Wordfence

Description

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.

CVSS Scores

EPSS Scores

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Meta Information

Published

2025-10-11

Last Modified

2025-10-14

Generated

2026-07-06

AI Q&A

2025-10-11

EPSS Evaluated

2026-07-05

NVD

CVE-2025-9621

Affected Vendors & Products

Vendor	Product	Version / Range
widgetpack	comment_system	*

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-352	The web application does not, or cannot, sufficiently verify whether a request was intentionally provided by the user who sent the request, which could have originated from an unauthorized actor.

Attack-Flow Graph

Executive Summary

This vulnerability is a Cross-Site Request Forgery (CSRF) issue in the WidgetPack Comment System plugin for WordPress, affecting all versions up to 1.6.1. It occurs because the plugin does not properly validate nonces on the wpcmt_sync action within the wpcmt_request_handler function. As a result, an attacker can trick a site administrator into performing an unintended action, such as triggering comment synchronization, by sending a forged request.

Impact Analysis

The vulnerability allows unauthenticated attackers to cause an administrator to perform actions without their consent, specifically triggering comment synchronization events. This could lead to unauthorized changes or disruptions in the comment system, potentially affecting site integrity or user experience.

Mitigation Strategies

To mitigate this vulnerability, immediately update the WidgetPack Comment System plugin to a version later than 1.6.1 where the nonce validation issue is fixed. Additionally, avoid clicking on suspicious links and ensure that site administrators are aware of the risk of Cross-Site Request Forgery attacks related to this plugin.

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