CVE-2026-93873

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.

CVSS v3 4.3 MEDIUM

4.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://github.com/Cotonti/Cotonti
https://github.com/Cotonti/Cotonti/blob/1.0.0/plugins/contact/contact.php
https://github.com/Cotonti/Cotonti/issues/1895
https://github.com/Cotonti/Cotonti/pull/1903
https://www.vulncheck.com/advisories/cotonti-through-1.0.0-cross-site-request-forgery-in-the-contact-plugin
https://github.com/Cotonti/Cotonti/issues/1895

Configurations

No configuration.

History

18 Sep 2026, 21:18

Type	Values Removed	Values Added
References	~~() https://github.com/Cotonti/Cotonti/issues/1895 -~~	() https://github.com/Cotonti/Cotonti/issues/1895 -

18 Sep 2026, 20:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-09-18 20:17

Updated : 2026-09-22 20:53

NVD link : CVE-2026-93873

Mitre link : CVE-2026-93873

CVE.ORG link : CVE-2026-93873

JSON object : View

Products Affected

No product.

CWE

CWE-352

Cross-Site Request Forgery (CSRF)

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