CVE-2026-22209

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.

CVSS v3 5.5 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.3 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://wordpress.org/plugins/wpdiscuz/
https://wordpress.org/plugins/wpdiscuz/#developers
https://www.vulncheck.com/advisories/wpdiscuz-before-cross-site-scripting-via-unescaped-custom-css-in-style-tag

Configurations

Configuration 1 (hide)

cpe:2.3:a:gvectors:wpdiscuz:*:*:*:*:*:wordpress:*:*

History

No history.

Information

Published : 2026-03-13 19:54

Updated : 2026-03-26 19:16

NVD link : CVE-2026-22209

Mitre link : CVE-2026-22209

CVE.ORG link : CVE-2026-22209

JSON object : View

Products Affected

gvectors

wpdiscuz

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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