CVE-2026-93873

Medium

Description

Cotonti through 1.0.0 fails to validate anti-CSRF tokens in the contact plugin submission handler, allowing attackers to forge messages. Attackers can auto-submit contact forms from attacker-controlled pages to send forged messages attributed to authenticated victims to the administrator inbox.

SeverityMedium

CVSS4.3

Exploit probability—

Product

Cotonti

PublishedSep 18, 2026

First seenSep 18, 2026

Weakness typeCWE-352Cross-site request forgery (CSRF)

How to fix

Patches

github.com/Cotonti/Cotonti/pull/1903

Affected products

Product	Affected versions	Fixed in
Cotonti Cotonti	v ≤ 1.0.0	—

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