Summaryinfo

A vulnerability, which was classified as problematic, was found in gVectors wpDiscuz up to 7.6.46. The impacted element is the function checkNotificationType of the file wpdiscuz-ajax.php. Such manipulation of the argument comment_id leads to authorization. This vulnerability is documented as CVE-2026-22182. The attack can be executed remotely. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in gVectors wpDiscuz up to 7.6.46. Affected by this issue is the function checkNotificationType of the file wpdiscuz-ajax.php. The manipulation of the argument comment_id with an unknown input leads to a authorization vulnerability. Using CWE to declare the problem leads to CWE-862. The product does not perform an authorization check when an actor attempts to access a resource or perform an action. Impacted is availability. CVE summarizes:

wpDiscuz before 7.6.47 contains an unauthenticated denial of service vulnerability that allows anonymous users to trigger mass notification emails by exploiting the checkNotificationType() function. Attackers can repeatedly call the wpdiscuz-ajax.php endpoint with arbitrary postId and comment_id parameters to flood subscribers with notifications, as the handler lacks nonce verification, authentication checks, and rate limiting.

The weakness was released by Scott Moore. The advisory is available at wordpress.org. This vulnerability is handled as CVE-2026-22182 since 01/06/2026. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are known, but there is no available exploit.

By approaching the search of inurl:wpdiscuz-ajax.php it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 7.6.47 eliminates this vulnerability.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

• gVectors

Name

• wpDiscuz

Version

• 7.6.0
• 7.6.1
• 7.6.2
• 7.6.3
• 7.6.4
• 7.6.5
• 7.6.6
• 7.6.7
• 7.6.8
• 7.6.9
• 7.6.10
• 7.6.11
• 7.6.12
• 7.6.13
• 7.6.14
• 7.6.15
• 7.6.16
• 7.6.17
• 7.6.18
• 7.6.19
• 7.6.20
• 7.6.21
• 7.6.22
• 7.6.23
• 7.6.24
• 7.6.25
• 7.6.26
• 7.6.27
• 7.6.28
• 7.6.29
• 7.6.30
• 7.6.31
• 7.6.32
• 7.6.33
• 7.6.34
• 7.6.35
• 7.6.36
• 7.6.37
• 7.6.38
• 7.6.39
• 7.6.40
• 7.6.41
• 7.6.42
• 7.6.43
• 7.6.44
• 7.6.45
• 7.6.46

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