CVE-2026-71294

Cotonti CMS's Comments plugin deserializes user-supplied data without restricting the classes that may be instantiated. In plugins/comments/controllers/actions/CreateAction.php, a POST parameter obtained via trim-only sanitization is passed to with no restriction, reachable by any member with wri...

EUVD-2026-53379

Cotonti CMS's Comments plugin deserializes user-supplied data without restricting the classes that may be instantiated. In plugins/comments/controllers/actions/CreateAction.php, a ci POST parameter obtained via cotimport'ci', 'P', 'TXT' trim-only sanitization is passed to unserializebase64decode$...

CVE-2026-71294

Cotonti CMS Comments plugin is vulnerable to PHP Object Injection via unrestricted unserialize(). In CreateAction.php, the ci parameter is base64-decoded and unserialize()’d without allowed_classes, reachable by any user with write access to comments. In EditAction.php, the comeback parameter (cb...

CVE-2026-71294

Cotonti CMS's Comments plugin deserializes user-supplied data without restricting the classes that may be instantiated. In plugins/comments/controllers/actions/CreateAction.php, a POST parameter obtained via trim-only sanitization is passed to with no restriction, reachable by any member with wri...

CVE-2026-71294 Cotonti CMS Comments Plugin PHP Object Injection via Unrestricted unserialize() in Create/Edit Actions

Cotonti CMS's Comments plugin deserializes user-supplied data without restricting the classes that may be instantiated. In plugins/comments/controllers/actions/CreateAction.php, a POST parameter obtained via trim-only sanitization is passed to with no restriction, reachable by any member with wri...

CVE-2026-71294 Cotonti CMS Comments Plugin PHP Object Injection via Unrestricted unserialize() in Create/Edit Actions

Cotonti CMS's Comments plugin deserializes user-supplied data without restricting the classes that may be instantiated. In plugins/comments/controllers/actions/CreateAction.php, a POST parameter obtained via trim-only sanitization is passed to with no restriction, reachable by any member with wri...

EUVD-2026-42736

Cotonti Siena 0.9.26 and earlier contains a cross-site request forgery vulnerability that allows unauthenticated attackers to modify administrator configuration by tricking a logged-in administrator into submitting a forged POST request to the admin.php config update handler, which never invokes...

EUVD-2026-42739

Cotonti Siena 0.9.26 and earlier contains a stored cross-site scripting vulnerability that allows authenticated users with PFS access to inject arbitrary script payloads by supplying malicious HTML in the ntitle parameter processed through the TXT filter in pfs.main.php. Attackers can create a...

CVE-2026-58144

Cotonti Siena 0.9.26 and earlier contains a stored cross-site scripting vulnerability that allows authenticated users with PFS access to inject arbitrary script payloads by supplying malicious HTML in the ntitle parameter processed through the TXT filter in pfs.main.php. Attackers can create a...

CVE-2026-58143

Cotonti Siena 0.9.26 and earlier contains a cross-site request forgery vulnerability that allows unauthenticated attackers to modify administrator configuration by tricking a logged-in administrator into submitting a forged POST request to the admin.php config update handler, which never invokes...

CVE-2026-58144

Cotonti Siena 0.9.26 and earlier contains a stored cross-site scripting vulnerability that allows authenticated users with PFS access to inject arbitrary script payloads by supplying malicious HTML in the ntitle parameter processed through the TXT filter in pfs.main.php. Attackers can create a...

CVE-2026-58144

Cotonti Siena

CVE-2026-58144 Cotonti Siena 0.9.26 Stored XSS via PFS Module ntitle Parameter

Cotonti Siena 0.9.26 and earlier contains a stored cross-site scripting vulnerability that allows authenticated users with PFS access to inject arbitrary script payloads by supplying malicious HTML in the ntitle parameter processed through the TXT filter in pfs.main.php. Attackers can create a...

CVE-2026-58144 Cotonti Siena 0.9.26 Stored XSS via PFS Module ntitle Parameter

Cotonti Siena 0.9.26 and earlier contains a stored cross-site scripting vulnerability that allows authenticated users with PFS access to inject arbitrary script payloads by supplying malicious HTML in the ntitle parameter processed through the TXT filter in pfs.main.php. Attackers can create a...

CVE-2026-58143 Cotonti Siena 0.9.26 CSRF via admin.php Config Update Endpoint

Cotonti Siena 0.9.26 and earlier contains a cross-site request forgery vulnerability that allows unauthenticated attackers to modify administrator configuration by tricking a logged-in administrator into submitting a forged POST request to the admin.php config update handler, which never invokes...

CVE-2026-58143 Cotonti Siena 0.9.26 CSRF via admin.php Config Update Endpoint

Cotonti Siena 0.9.26 and earlier contains a cross-site request forgery vulnerability that allows unauthenticated attackers to modify administrator configuration by tricking a logged-in administrator into submitting a forged POST request to the admin.php config update handler, which never invokes...

CVE-2026-58143

Cotonti Siena 0.9.26 and earlier are affected by a cross-site request forgery via the admin.php config update endpoint. The vulnerability lets an unauthenticated attacker trick a logged-in administrator into submitting a forged POST request, bypassing CSRF validation. Attackers can disable the PF...

CVE-2026-58143

Cotonti Siena 0.9.26 and earlier contains a cross-site request forgery vulnerability that allows unauthenticated attackers to modify administrator configuration by tricking a logged-in administrator into submitting a forged POST request to the admin.php config update handler, which never invokes...

PT-2026-57002

Name of the Vulnerable Software and Affected Versions Cotonti Siena versions prior to 0.9.27 Description A cross-site request forgery CSRF issue exists where unauthenticated attackers can modify administrator configurations. This occurs because the admin.php config update handler does not invoke...

Cross-Site Request Forgery (CSRF)

Cotonti is vulnerable to Cross-Site Request Forgery CSRF. The vulnerability is due to missing anti-CSRF token validation in the administration rights update handler system/admin/admin.rights.php, which allows an attacker to trick an authenticated administrator into submitting a forged request tha...