What’s Vulnerable › Vulnerabilities

CVE-2026-22183: wpDiscuz before 7.6.47 - Stored Cross-Site Scripting in Inline Comment Preview

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-03-13 · updated 2026-06-17
• Weakness: CWE-79

Description

wpDiscuz before 7.6.47 contains a stored cross-site scripting vulnerability in the inline comment preview functionality that allows authenticated users to inject malicious scripts by submitting comments with unescaped content. Attackers with unfiltered_html capabilities can inject JavaScript directly through comment content rendered in the AJAX response from the getLastInlineComments() function in class.WpdiscuzHelperAjax.php without proper HTML escaping.

Affected products

• gVectors wpDiscuz: before 7.6.47 — fixed in 7.6.47

How to fix

Upgrade to a fixed version: gVectors wpDiscuz 7.6.47. Check the vendor advisory for mitigations.

References

• https://wordpress.org/plugins/wpdiscuz/
• https://wordpress.org/plugins/wpdiscuz/#developers
• https://www.vulncheck.com/advisories/wpdiscuz-before-stored-cross-site-scripting-in-inline-comment-preview

Get alerted when CVE-2026-22183 or the next vulnerability affects your stack