CVE-2026-93873Medium· 4.3▾ TwilightPoC availableCotonti 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 attri…
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 23.7 · likelihood 0 · exploitation 12
A public proof-of-concept already exists for this vulnerability — see Exploit availability below.
Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.
Exploit-prediction probability, daily snapshots since Sep 19.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
0.2%
Last analysed / modified upstream
0.2% → 0.2%
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.
Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
CVE-2026-93870Medium· 4.3Cotonti through 1.0.0 fails to validate anti-CSRF tokens in the ratings plugin AJAX handler, allowing attackers to forge ratings on behalf of authenticated users
CVE-2026-101093Medium· 5.4Cotonti through 1.0.0 contains a cross-site request forgery vulnerability in admin.users.php that allows attackers to delete user groups without token verification
CVE-2026-100524Medium· 5.4Cotonti through 1.0.0 contains a cross-site request forgery vulnerability in the extensions manager that allows attackers to perform state-changing actions without anti-CSRF token validation
CVE-2026-58143High· 8.8Cotonti Siena 0.9.26 CSRF via admin.php Config Update Endpoint
CVE-2026-93871Medium· 5.4Cotonti through 1.0.0 fails to validate redirect destinations in page bodies prefixed with redir:, allowing authenticated users with page creation or edit permissions to store redirects to arbitrary external hosts
CVE-2026-93868High· 8.1Cotonti through 1.0.0 derives password recovery validation tokens from md5(microtime()) in users.passrecover.php, creating a predictable token space of approximately one million values per second