CVE-2026-22199

MEDIUM

5.3

Description

wpDiscuz before 7.6.47 contains a vote manipulation vulnerability that allows attackers to manipulate comment votes by obtaining fresh nonces and bypassing rate limiting through client-controlled headers. Attackers can vary User-Agent headers to reset rate limits, request nonces from the unauthenticated wpdGetNonce endpoint, and vote multiple times using IP rotation or reverse proxy header manipulation.

Details CVE

Score CVSS v3.15.3

SeveriteMEDIUM

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

Vecteur d'attaqueNETWORK

ComplexiteLOW

Privileges requisNONE

Interaction utilisateurNONE

Publie3/13/2026

Derniere modification3/17/2026

Sourcenvd

Observations honeypot0

Produits affectes

gvectors:wpdiscuz

Faiblesses (CWE)

CWE-290

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-vote-manipulation-via-nonce-oracle-and-ip-rotation(disclosure@vulncheck.com)

Correlations IOC

Aucune correlation enregistree

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