concretecms Vulnerability Advisory Catalog

Total 151 security vulnerabilities recorded for concretecms software and firmware.

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CVE-2026-8139 MEDIUM
Component: concrete_cms

Concrete CMS 9.5.0 and below is vulnerable to Stored XSS via external-link page cvName because updateCollectionAliasExternal bypasses being sanitized....

📅 2026-05-21
CVSS 5.4 Dossier →
CVE-2026-7890 MEDIUM
Component: concrete_cms

In Concrete CMS 9.5.0 and below, the RSS Displayer block accepts a feed URL from any page editor and fetches it server-side without validation enablin...

📅 2026-05-21
CVSS 6.4 Dossier →
CVE-2026-7887 MEDIUM
Component: concrete_cms

For Concrete CMS 9.5.0 and below, OAuth 2.0 Authorization-Code Handler Bypasses Account Status. A user with uIsActive=0 (suspended, banned, terminated...

📅 2026-05-21
CVSS 6.4 Dossier →
CVE-2026-7886 MEDIUM
Component: concrete_cms

Concrete CMS 9.5.0 and below is vulnerable to IDOR in AddMessage/UpdateMessage via attachments[] parameter which can lead to file permission bypass. T...

📅 2026-05-21
CVSS 4.3 Dossier →
CVE-2026-7882 MEDIUM
Component: concrete_cms

Concrete CMS 9.5.0 and below is vulnerable to unauthorized file deletion due to an Inverted CSRF token check in the DeleteFile controller. The code t...

📅 2026-05-21
CVSS 4.3 Dossier →
CVE-2026-7881 MEDIUM
Component: concrete_cms

Concrete CMS 9.5.0 and below is subject to Insecure Direct Object Reference (IDOR) in the Express Entry Detail block via the exEntryID parameter. This...

📅 2026-05-21
CVSS 4.3 Dossier →
CVE-2026-7879 MEDIUM
Component: concrete_cms

In Concrete CMS 9.5.0 and below,  the submit_password() method in concrete/controllers/single_page/download_file.php allows unauthorized file access s...

📅 2026-05-21
CVSS 5.3 Dossier →
Component: concrete_cms

Concrete CMS 9.5.0 and below emits a CSRF token in the local_available_update.php view ($token->output('do_update')) but the corresponding do_update()...

📅 2026-05-21
CVSS 8.8 Dossier →
Component: concrete_cms

Concrete CMS 9.5.0 and below does not validate a CSRF token before processing requests to /dashboard/extend/update/prepare_remote_upgrade/<remoteMPID>...

📅 2026-05-21
CVSS 8.8 Dossier →
Component: concrete_cms

Concrete CMS 9.5.0 and below contains a CSRF vulnerability in the install_package() method of concrete/controllers/single_page/dashboard/extend/instal...

📅 2026-05-21
CVSS 8.8 Dossier →
Component: concrete_cms

Concrete CMS 9.5.0 and below does not validate a CSRF token before processing requests to /dashboard/extend/update/do_update/<pkgHandle>. The do_updat...

📅 2026-05-21
CVSS 8.8 Dossier →
Component: concrete_cms

Concrete CMS 9.5.0 and below is vulnerable to missing authorization in the bulk_user_assignment.php which can lead to privilege escalation to Administ...

📅 2026-05-21
CVSS 8.8 Dossier →
CVE-2026-8205 MEDIUM
Component: concrete_cms

Concrete CMS 9.5.0 and below is vulnerable to authorization bypass in the Calendar Block since action_get_events does not check canView on the calenda...

📅 2026-05-21
CVSS 5.3 Dossier →
CVE-2026-8204 MEDIUM
Component: concrete_cms

Concrete CMS 9.5.0 and below is vulnerable to authorization Bypass in the Calendar Event Frontend Dialog which can allow cross-calendar data disclosur...

📅 2026-05-21
CVSS 5.3 Dossier →
CVE-2026-8203 MEDIUM
Component: concrete_cms

Concrete CMS 9.5.0 and below has Stored XSS on the height parameter. The controller does not validate or sanitize $height. Any user with editor privil...

📅 2026-05-21
CVSS 5.4 Dossier →
CVE-2026-8197 MEDIUM
Component: concrete_cms

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-...

📅 2026-05-21
CVSS 4.8 Dossier →
CVE-2026-8140 MEDIUM
Component: concrete_cms

Concrete CMS 9.5.0 and below does not validate a CSRF token before processing requests to /dashboard/extend/install/download/<remoteId>. The download(...

📅 2026-05-21
CVSS 6.5 Dossier →
Component: concrete_cms

Concrete CMS 9.5.0 and below is vulnerable to Remote Code Execution due to insecure deserialization occurring in the ExpressEntryList block controlle...

📅 2026-05-21
CVSS 7.2 Dossier →
Component: concrete_cms

Concrete CMS 9.5.0 and below fails to sanitize path traversal sequences in the ptComposerFormLayoutSetControlCustomTemplate field when saving page typ...

📅 2026-05-21
CVSS 7.2 Dossier →
CVE-2026-6826 MEDIUM
Component: concrete_cms

Concrete CMS 9.5.0 and below  is vulnerable to unauthenticated file usage disclosure via missing permission check in the usage controller.  Any unauth...

📅 2026-05-21
CVSS 5.3 Dossier →
Component: concrete_cms

ConcreteCMS v9.4.7 contains a Denial of Service (DoS) vulnerability in the File Manager component. The 'download' method in 'concrete/controllers/back...

📅 2026-03-24
CVSS 6.5 Dossier →
CVE-2026-3242 MEDIUM
Component: concrete_cms

In Concrete CMS below version 9.4.8, a rogue administrator can add stored XSS via the Switch Language block.  The Concrete CMS security team gave this...

📅 2026-03-04
CVSS 4.8 Dossier →
CVE-2026-3241 MEDIUM
Component: concrete_cms

In Concrete CMS below version 9.4.8, a stored cross-site scripting (XSS) vulnerability exists in the "Legacy Form" block. An authenticated user with p...

📅 2026-03-04
CVSS 4.8 Dossier →
CVE-2026-3240 MEDIUM
Component: concrete_cms

In Concrete CMS below version 9.4.8, a user with permission to edit a page with element Legacy form can perform a stored XSS attack towards high-privi...

📅 2026-03-04
CVSS 4.8 Dossier →
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