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.

References

https://www.vulncheck.com/advisories/cotonti-through-1.0.0-cross-site-request-forgery-in-the-contact-plugin

https://github.com/Cotonti/Cotonti/pull/1903

https://github.com/Cotonti/Cotonti/issues/1895

https://github.com/Cotonti/Cotonti/blob/1.0.0/plugins/contact/contact.php

https://github.com/Cotonti/Cotonti

Details

Source: Mitre, NVD

Published: 2026-09-18

Updated: 2026-09-18

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 4.3

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Severity: Medium

CVSS v4

Base Score: 5.3

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

Severity: Medium

EPSS

EPSS: 0.00156