Concrete CMS Cross-Site Request Forgery Vulnerability

Concrete CMS is an open-source content management system developed by Concrete CMS. Versions of Concrete CMS prior to 9.5.0 had a cross-site request forgeing vulnerability. This vulnerability stemmed from the concrete/controllers/backend/file rescan function, which was vulnerable to cross-site...

PT-2026-42568

Name of the Vulnerable Software and Affected Versions Concrete CMS versions prior to 9.5.0 Description Cross Site Request Forgery CSRF is possible at the 'concrete/controllers/dialog/page/bulk/cache' endpoint. CSRF is a type of attack that tricks a victim into submitting a malicious request. It...

PT-2026-42544

Concrete CMS 9.5.0 and below is vulnerable to authorization Bypass in the Calendar Event Frontend Dialog which can allow cross-calendar data disclosure. A public calendar block can be used as a pivot point to access private calendar data. The Concrete CMS security team gave this vulnerability a...

PT-2026-42573

Name of the Vulnerable Software and Affected Versions Concrete CMS versions 9.0.0 through 9.4.x Description Cross Site Request Forgery CSRF occurs at the 'concrete/controllers/backend/file' endpoint within the removeFavoriteFolder$id function. CSRF is a flaw that allows an attacker to induce a us...

CVE-2026-8410: Cross-Site Request Forgery (CSRF)

Concrete CMS 9 before 9.5.0 is vulnerable to Cross Site Request Forgery CSRF at concrete/controllers/dialog/logs/bulk/delete. The The Concrete CMS security team gave this vulnerability a CVSS v.4.0 score of 2.3 with vector CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N...

CVE-2026-8432: Cross-Site Request Forgery (CSRF)

Concrete CMS 9 before 9.5.0 is vulnerable to Cross Site Request Forgery CSRF at concrete/controllers/backend/file star. The Concrete CMS security team gave this vulnerability a CVSS v.4.0 score of 2.3 with vector CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N. Thanks Yonatan Dror...

Concrete CMS Cross-Site Request Forgery Vulnerability

Concrete CMS is an open-source content management system developed by Concrete CMS. Versions of Concrete CMS 9.5.0 and earlier had a cross-site request forgeing vulnerability. This vulnerability stemmed from a CSRF vulnerability in the installpackage method, which could allow attackers to force t...

PT-2026-42537

Concrete CMS 9.5.0 and below does not validate a CSRF token before processing requests to /dashboard/extend/update/do update/. The do update method in concrete/controllers/single page/dashboard/extend/update.php checks only canInstallPackages before executing upgradeCoreData and upgrade on the...

PT-2026-42547

Concrete CMS 9.5.0 and below contains a CSRF vulnerability in the install package method of concrete/controllers/single page/dashboard/extend/install.php. An attacker who can cause an authenticated administrator to visit a crafted page, and who has placed or caused a package to be present under...

PT-2026-42570

Name of the Vulnerable Software and Affected Versions Concrete CMS versions 9.0.0 through 9.4.x Description Cross Site Request Forgery CSRF occurs at the 'concrete/controllers/dialog/event/duplicate' endpoint. CSRF is a flaw that allows an attacker to trick a victim into performing actions they d...

Concrete CMS security vulnerabilities

Concrete CMS is an open-source content management system designed for teams. Concrete CMS versions 9.5.0 and earlier have security vulnerabilities, which stem from IDOR. These vulnerabilities may allow unauthorized access to all conversation messages and file attachments...

PT-2026-42542

Concrete CMS 9.5.0 and below is vulnerable to Stored XSS via OAuth integration name. The OAuth authorize template renders the integration name admin-controlled through Concrete's t translation helper as a sprintf-style format. The ... wrap is built by PHP string interpolation before t runs, so th...

PT-2026-42574

Name of the Vulnerable Software and Affected Versions Concrete CMS versions 9.0.0 through 9.4.x Description Cross Site Request Forgery CSRF occurs at the 'concrete/controllers/backend/file' endpoint within the star function. CSRF is a flaw that allows an attacker to induce a user to perform actio...

PT-2026-42575

Name of the Vulnerable Software and Affected Versions Concrete CMS versions 9.0.0 through 9.4.x Description Cross Site Request Forgery CSRF occurs at the 'concrete/controllers/backend/file' endpoint within the rescan function. CSRF is a type of attack that tricks a victim into submitting a...

Concrete CMS Unauthenticated File Usage Disclosure

Concrete CMS formerly concrete5 9.x before 9.5.1 exposes the file usage dialog controller at /ccm/system/dialogs/file/usage/ without a view permission check CVE-2026-6826. An unauthenticated attacker can enumerate the numeric file ID space and, for every file registered in the file manager, learn...

Concrete CMS Cross-Site Request Forgery Vulnerability

Concrete CMS is an open-source content management system developed by Concrete CMS. Versions prior to Concrete CMS 9.5.0 had a cross-site request forgeing vulnerability, which was exploited through the concrete/controllers/dialog/event/duplicate module...

Concrete CMS Access Control Vulnerability

Concrete CMS is an open-source content management system developed by Concrete CMS. Versions of Concrete CMS 9.5.0 and earlier contained a access control vulnerability caused by unvalidated page metadata exposure. This vulnerability could lead to the disclosure of titles, paths, descriptions, and...

PT-2026-42705

🟠 Umbraco CMS, Open Redirect in Surface Controllers, CVE-2025-47874 Medium https://t.co/PmivsVMa8k...

PT-2026-42555

Name of the Vulnerable Software and Affected Versions Concrete CMS versions prior to 9.5.1 Description An inverted CSRF token check in the DeleteFile controller allows unauthorized file deletion. The system incorrectly throws an error when the token is valid and proceeds with the deletion process...

PT-2026-42563

Name of the Vulnerable Software and Affected Versions Concrete CMS versions prior to 9.5.1 Description Reflected Cross-Site Scripting XSS occurs in Legacy Pagination through HTML attribute injection. The ConcreteCoreLegacyPagination class constructs pagination links by raw-interpolating the $URL...