EUVD-2026-87379

Cotonti 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. Attackers can craft links or embed images to force administrators to install, update, pause, or unpause...

CVE-2026-100523 Cotonti through 1.0.0 Open Redirect via message.php redirect parameter

Cotonti through 1.0.0 contains an open redirect vulnerability in message.php that base64-decodes the redirect parameter without domain validation. Unauthenticated attackers can craft malicious links with encoded external URLs to redirect users to arbitrary sites via meta refresh tags for phishing...

CVE-2026-100524 Cotonti through 1.0.0 Cross-Site Request Forgery via Extensions Manager

Cotonti 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. Attackers can craft links or embed images to force administrators to install, update, pause, or unpause...

EUVD-2026-87378

Cotonti through 1.0.0 contains an open redirect vulnerability in message.php that base64-decodes the redirect parameter without domain validation. Unauthenticated attackers can craft malicious links with encoded external URLs to redirect users to arbitrary sites via meta refresh tags for phishing...

EUVD-2026-87377

Cotonti through 1.0.0 contains a reflected cross-site scripting vulnerability in message.php where the lng parameter is not properly escaped before output in the confirmation dialog. Unauthenticated attackers can craft malicious links with script payloads in the lng parameter to execute arbitrary...

CVE-2026-100522 Cotonti through 1.0.0 Reflected XSS via message.php lng parameter

Cotonti through 1.0.0 contains a reflected cross-site scripting vulnerability in message.php where the lng parameter is not properly escaped before output in the confirmation dialog. Unauthenticated attackers can craft malicious links with script payloads in the lng parameter to execute arbitrary...

EUVD-2026-87376

Cotonti through 1.0.0 contains a reflected cross-site scripting vulnerability in the search plugin highlight parameter that performs no HTML or JavaScript escaping. Attackers can craft malicious links with injected JavaScript in the highlight parameter that executes in the browser of any visitor...

CVE-2026-100521 Cotonti through 1.0.0 Reflected XSS via search highlight parameter

Cotonti through 1.0.0 contains a reflected cross-site scripting vulnerability in the search plugin highlight parameter that performs no HTML or JavaScript escaping. Attackers can craft malicious links with injected JavaScript in the highlight parameter that executes in the browser of any visitor...

cotonti-commentswidget-poc

Cotonti CommentsWidget PHP オブジェクトインジェクション PoC Cotonti の CommentsWidget 実装で確認された PHP オブジェクトインジェクション問題に対する安全なローカル概念実証です。 脆弱性 プロジェクト: Cotonti 影響を受けるコンポーネント: plugins/comments/inc/CommentsWidget.php CWE: CWE-502 — 信頼できないデータのデシリアライズ CVE/候補: CAN-2026-2035973 / CVE-2026-71294 研究者: Harsh Raj Singhania...

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...

CVE-2026-93872

Cotonti 1.0.0 passes the base64-decoded cb parameter to unserialize without allowedclasses restriction in the comments plugin EditAction. Registered users with comment write permissions can instantiate arbitrary PHP objects and potentially achieve file write or code execution through gadget chain...

CVE-2026-93871

Cotonti 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. Attackers can craft pages on trusted domains that redirect visitors to malicious...

CVE-2026-93868

Cotonti through 1.0.0 derives password recovery validation tokens from md5microtime in users.passrecover.php, creating a predictable token space of approximately one million values per second. Unauthenticated attackers can read the server Date header, precompute candidate tokens within a narrow...

CVE-2026-93870

Cotonti 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. Attackers can craft malicious pages that auto-submit POST requests to modify stored rating data when visited by logged-in users...

CVE-2026-93869

Cotonti through 1.0.0 contains an open redirect vulnerability in the coturlcheck function that validates redirect destinations using a regular expression lacking an end-of-string anchor. Attackers can bypass the redirect guard by supplying hostnames beginning with the site domain to redirect user...

CVE-2026-93873

Cotonti CMS through version 1.0.0 is affected by a Cross-Site Request Forgery (CSRF) vulnerability in the contact plugin's submission handler (plugins/contact/contact.php). The root cause is a failure to validate anti-CSRF tokens, allowing attackers to auto-submit contact forms from attacker-cont...

CVE-2026-93873 Cotonti through 1.0.0 Cross-Site Request Forgery in the Contact Plugin

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...

EUVD-2026-83370

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...

CVE-2026-93873 Cotonti through 1.0.0 Cross-Site Request Forgery in the Contact Plugin

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...

CVE-2026-93873 Cotonti through 1.0.0 Cross-Site Request Forgery in the Contact Plugin

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...