PT-2026-92129

In Concrete CMS before 9.5.3, the Document Library block stored the file-set identifiers submitted through fsID without validating them as integers, and when the block was configured with setMode set to any it concatenated each stored identifier directly into the file-set filter query instead of...

PT-2026-92415

Name of the Vulnerable Software and Affected Versions Concrete CMS versions 9.0.0 through 9.5.2 Description An issue exists during remote file import where the system reuses a host's validated DNS pin across different ports. When multiple remote URLs share the same host, the system retains only t...

PT-2026-93124

Name of the Vulnerable Software and Affected Versions Concrete CMS versions prior to 9.5.3 Description A stored cross-site scripting issue exists in SVG file handling. When the SVG processing is configured to the non-default mode concrete.file manager.images.svg sanitization.action = reject,...

PT-2026-92401

Concrete CMS 9 through 9.5.2 did not perform an authorization check on several board-instance actions in the Boards area of the Dashboard. The instance details single-page controller resolved a board instance directly from an attacker-supplied instance ID and then viewed, refreshed, regenerated, ...

PT-2026-91772

Flextype CMS through 1.0.0-alpha.3 fails to properly validate id and new id parameters in the Entries REST API, allowing API token holders to read, create, or overwrite files outside the entries directory. Attackers can use traversal sequences in API requests to escape the project entries directo...

PT-2026-92166

Concrete CMS 9.2.0 to 9.5.2 did not enforce per-field edit user properties permissions on the REST API user write endpoints PUT /ccm/api/1.0/users/uID and POST /ccm/api/1.0/users/uID/change password. A user with an update-scoped OAuth token and permission to edit only one non-sensitive field coul...

CVE-2026-18115: Missing Authorization

Concrete CMS 9.2.0 to 9.5.2 did not enforce per-field edituserproperties permissions on the REST API user write endpoints PUT /ccm/api/1.0/users/uID and POST /ccm/api/1.0/users/uID/changepassword. A user with an update-scoped OAuth token and permission to edit only one non-sensitive field could...

PT-2026-92121

Name of the Vulnerable Software and Affected Versions Concrete CMS versions 9.0.0 through 9.5.2 Description An authorization check is missing on the user selector autocomplete endpoint '/ccm/system/user/autocomplete', which supports the Preview as User panel and other user-selector components. Th...

PT-2026-92515

Name of the Vulnerable Software and Affected Versions Concrete CMS versions prior to 9.5.3 Description Improper neutralization of a user-supplied custom date format when rendering conversation messages leads to reflected cross-site scripting XSS, a technique where malicious scripts are injected...

PT-2026-93112

Name of the Vulnerable Software and Affected Versions Concrete CMS versions 9.0.0 through 9.5.2 Description An issue exists where block-level edit-permission checks are not enforced on the Express Form block's control-management actions. The system relies exclusively on CSRF Cross-Site Request...

PT-2026-92131

In Concrete CMS below CMS 9.5.3, the save control action in the Express entities forms dashboard controller did not validate the anti-CSRF token. By causing an authenticated administrator to submit a forged cross-site request, a remote attacker without credentials could write attacker-controlled...

PT-2026-92165

Name of the Vulnerable Software and Affected Versions Concrete CMS versions 9.0 through 9.5.2 Description The Top Navigation Bar block fails to HTML-escape dropdown child page names before rendering them on the page. This allows a user with permissions to create or rename pages to inject a...

CVE-2026-68532: Cross-Site Request Forgery (CSRF)

Concrete CMS 9.0.0 to dashboard group type controller did not validate a CSRF token on its delete action, resulting in cross-site request forgery. A remote unauthenticated attacker could cause an authenticated user with group type management permission to delete a custom group type. The Concrete...

PT-2026-92394

In Concrete CMS before 9.5.3, the SEO Bulk Update Meta Tags editor did not check per-page edit permissions before saving. The saveRecord action validated the per-page CSRF token but never called canEditPageProperties for the target page, so a user who was granted access to the bulk SEO tool and...

CVE-2026-81897: Cross-Site Request Forgery (CSRF)

In Concrete CMS below CMS 9.5.3, the savecontrol action in the Express entities forms dashboard controller did not validate the anti-CSRF token. By causing an authenticated administrator to submit a forged cross-site request, a remote attacker without credentials could write attacker-controlled...

CVE-2026-81896: Improper Neutralization of Input During Web Page Generation

Concrete CMS before 9.5.3 does not apply HTML entity encoding to user-defined Form block question labels when rendering them as column headers in the Dashboard Form Submissions report concrete/singlepages/dashboard/reports/forms/legacy.php. a rogue editor could store markup or script in a label...

CVE-2026-18110: Missing Authorization

Concrete CMS 9 9.0.0 through 9.5.2 does not perform an authorization check on the user selector autocomplete endpoint /ccm/system/user/autocomplete, which backs the "Preview as User" panel and other user-selector components. The endpoint validates only a CSRF-style access token that is bound to t...

CVE-2026-81894: Improper Neutralization of Special Elements used in an SQL Command

Concrete CMS 9.5.2 and below is vulnerable to stored DOM-based Cross-site Scripting XSS via the Gallery block's per-image Caption field because the bundled Magnific Popup lightbox script concrete/js/features/imagery/frontend.js re-parses the attribute-decoded caption as HTML through jQuery's...

CVE-2026-81899: Improper Neutralization of Input During Web Page Generation

Concrete CMS 9.0.0 to 9.5.2 stored group folder names without sanitization and printed them unescaped on the Members Groups dashboard page, resulting in stored cross-site scripting. The add and edit group-folder handlers stored the submitted folder name without neutralizing HTML, and the group...

CVE-2026-81898: Improper Neutralization of Input During Web Page Generation

In Concrete CMS below version 9.5.3, the Address attribute's country-less text formatter skipped HTML-escaping, enabling stored XSS in Express association views. A user able to submit an Address attribute could execute script in the session of any dashboard user who opened the affected entry. The...