Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Gvectors | Wpdiscuz | < 7.6.47 |
Related Weaknesses (CWE)
References
- https://wordpress.org/plugins/wpdiscuz/
- https://wordpress.org/plugins/wpdiscuz/#developers
- https://www.vulncheck.com/advisories/wpdiscuz-before-cross-site-scripting-via-un
FAQ
What is CVE-2026-22209?
CVE-2026-22209 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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 a...
How severe is CVE-2026-22209?
CVE-2026-22209 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-22209?
Check the references section above for vendor advisories and patch information. Affected products include: Gvectors Wpdiscuz.