gVectors wpDiscuz up to 7.6.46 WpdiscuzHelperUpload cross site scripting

Summaryinfo

A vulnerability categorized as problematic has been discovered in gVectors wpDiscuz up to 7.6.46. This affects the function WpdiscuzHelperUpload. Such manipulation leads to cross site scripting. This vulnerability is uniquely identified as CVE-2026-22210. The attack can be launched remotely. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in gVectors wpDiscuz up to 7.6.46. It has been rated as problematic. Affected by this issue is the function WpdiscuzHelperUpload. The manipulation with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. Impacted is integrity. CVE summarizes:

wpDiscuz before 7.6.47 contains a cross-site scripting vulnerability that allows attackers to inject malicious code through unescaped attachment URLs in HTML output by exploiting the WpdiscuzHelperUpload class. Attackers can craft malicious attachment records or filter hooks to inject arbitrary JavaScript into img and anchor tag attributes, executing code in the context of WordPress users viewing comments.

The weakness was disclosed by Scott Moore. The advisory is shared for download at wordpress.org. This vulnerability is handled as CVE-2026-22210 since 01/06/2026. The exploitation is known to be difficult. The attack may be launched remotely. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1059.007.

Upgrading to version 7.6.47 eliminates this vulnerability.

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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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