Replyable – Subscribe to Comments and Reply by Email <= 2.2.9 - Cross-Site Request Forgery via prompt_dismiss_notice

Cross-Site Request Forgery (CSRF)
CVE CVE-2022-4265
CVSS 8.8 (High)
Publicly Published February 8, 2023
Last Updated March 3, 2023
Researcher István Márton - Wordfence


The Replyable – Subscribe to Comments and Reply by Email plugin for WordPress is vulnerable to Cross-Site Request Forgery and PHP Object Injection in versions up to, and including, 2.2.9. This is due to missing or incorrect nonce validation on the prompt_dismiss_notice AJAX action. This makes it possible for unauthenticated attackers to to inject a PHP Object via a forged request granted they can trick a site administrator into performing an action such as clicking on a link. This can be leveraged to achieve remote code execution if a useable gadget it installed on the site.



1 affected software package

Software Type Plugin
Software Slug postmatic (view on
Patched? Yes
Remediation Update to version 2.2.10, or a newer patched version
Affected Version
  • <= 2.2.9
Patched Version
  • 2.2.10

Did you know Wordfence Intelligence provides free personal and commercial API access to our comprehensive WordPress vulnerability database, along with a free webhook integration to stay on top of the latest vulnerabilities added and updated in the database? Get started today!

Learn more

Want to get notified of the latest vulnerabilities that may affect your WordPress site?
Install Wordfence on your site today to get notified immediately if your site is affected by a vulnerability that has been added to our database.

Get Wordfence

The Wordfence Intelligence WordPress vulnerability database is completely free to access and query via API. Please review the documentation on how to access and consume the vulnerability data via API.