CVE-2026-22209

Medium

Description

wpDiscuz before 7.6.47 contains a cross-site scripting vulnerability in the customCss field that allows administrators to inject malicious scripts by breaking out of style tags. Attackers with admin access can inject payloads like </style><script>alert(1)</script> in the custom CSS setting to execute arbitrary JavaScript in user browsers.

SeverityMedium

CVSS5.5

Exploit probability—

ProductGvectors Wpdiscuz

PublishedMar 13, 2026

First seenMar 13, 2026

Weakness typeCWE-79Cross-site scripting (XSS)

How to fix

Update

gvectors wpdiscuz7.6.47 or later

Patches

wordpress.org/plugins/wpdiscuz/#developers

Affected products

Product	Affected versions	Fixed in
gvectors wpdiscuz	v < 7.6.47	7.6.47

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