CVE-2026-93873CWE-352csrf

CVE-2026-93873

Medium · published September 19, 2026

CVSS v3.1
4.3
EPSS
0%
Percentile
8.2
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
4.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
CVSS v4.0
5.3 · 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
EPSS
0.00190 · 8.2th percentile
Weakness
CWE-352 · Cross-Site Request Forgery (CSRF)
Published
2026-09-19T00:17Z
References (6)
https://github.com/Cotonti/Cotonti · [email protected]https://github.com/Cotonti/Cotonti/blob/1.0.0/plugins/contact/contact.php · [email protected]https://github.com/Cotonti/Cotonti/issues/1895 · [email protected]https://github.com/Cotonti/Cotonti/pull/1903 · [email protected]https://www.vulncheck.com/advisories/cotonti-through-1.0.0-cross-site-request-forgery-in-the-contact-plugin · [email protected]https://github.com/Cotonti/Cotonti/issues/1895 · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 20 SEP 03:25Z
    EPSS moved — → 0%
    epss
  • 18 SEP 19:56Z
    Cotonti through 1.0.0 Cross-Site Request Forgery in the Contact Plugin
    cvelistv5