CVE-2026-22209

MEDIUM

5.5

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.

Details CVE

Score CVSS v3.15.5

SeveriteMEDIUM

Vecteur CVSSCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N

Vecteur d'attaqueNETWORK

ComplexiteLOW

Privileges requisHIGH

Interaction utilisateurNONE

Publie3/13/2026

Derniere modification3/26/2026

Sourcenvd

Observations honeypot0

Produits affectes

gvectors:wpdiscuz

Faiblesses (CWE)

CWE-79

References

https://wordpress.org/plugins/wpdiscuz/(disclosure@vulncheck.com)

https://wordpress.org/plugins/wpdiscuz/#developers(disclosure@vulncheck.com)

https://www.vulncheck.com/advisories/wpdiscuz-before-cross-site-scripting-via-unescaped-custom-css-in-style-tag(disclosure@vulncheck.com)

Correlations IOC

Aucune correlation enregistree

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