The Comments – wpDiscuz plugin for WordPress is vulnerable to Authentication Bypass in all versions up to, and including, 7.6.39. This is due to the plugin not properly validating a user's identity through the disqus.com provider. This makes it possible for unauthenticated attackers to authenticate as other users if they have not set up disqus.
CVE-2025-13820 is a high severity with CVSS 8.1 Authorization Bypass issue affecting the Plugin Comments – wpDiscuz. It affects Versions up to 7.6.39 and is fixed in 7.6.40.
CVE-2025-13820 is tracked for the Plugin Comments – wpDiscuz as high severity with CVSS 8.1. The affected range is Versions up to 7.6.39. Update Comments – wpDiscuz to 7.6.40 or newer where that version is compatible with the site.
| Software Type | Plugin |
|---|---|
| Software Slug |
wpdiscuz
View on wordpress.org
|
| CVE | CVE-2025-13820 |
| Patched Versions |
7.6.40
|
| Affected Versions |
Versions up to 7.6.39
|
These internal links group the same WordPress plugin by CVE, issue type, severity, and patch status so operators and search engines can connect the full vulnerability cluster.
Comments – wpDiscuz <= 7.6.24 - Authentication Bypass via WordPress.com OAuth provider
Comments - wpDiscuz 7.0 - 7.0.4 - Unauthenticated Arbitrary File Upload leading to Remote Code Execution
Comments - wpDiscuz <= 5.3.5 - Blind SQL Injection via order Parameter
wpDiscuz <= 7.6.11 - Unauthenticated Stored Cross-Site Scripting via Comment Uploaded Image Filename
Comments – wpDiscuz <= 7.6.18 - Authenticated (Contributor+) Stored Cross-Site Scripting
wpDiscuz <= 7.6.15 - Authenticated (Author+) Stored Cross-Site Scripting via Uploaded Image Alternative Text
wpDiscuz <= 7.6.3 - Missing Authorization via AJAX actions
Comments – wpDiscuz <= 7.4.2 - Insecure Direct Object References
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