CVE-2026-81898 Concrete CMS below version 9.5.3 is vulnerable to Stored XSS via country-less Address attribute in Express association views

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...

CVE-2026-81898

In Concrete CMS below version 9.5.3 , the Address attribute's country-less text formatter skipped HTML-escaping, enabling a stored XSS in Express association views. A low-privilege user able to submit an Address attribute with a blank (non-required) country field could inject script that executes...

EUVD-2026-78900

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...

CVE-2026-81894

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-2026-81895

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...

CVE-2026-81896

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-2026-81897

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-2026-18110

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-2026-18111

Concrete CMS 9 before 9.5.3 was vulnerable to stored cross-site scripting XSS in the Feature, Feature Link, Hero Image, and Image blocks and before Concrete 8.5.21 in the feature and Image blocks because the external link URL was insufficiently validated by the link filter and was rendered withou...

CVE-2026-81897 Concrete CMS below version 9.5.3 is vulnerable to Stored XSS via Express form Text control save_control

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-2026-81897 Concrete CMS below version 9.5.3 is vulnerable to Stored XSS via Express form Text control save_control

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-2026-81897 Concrete CMS below version 9.5.3 is vulnerable to Stored XSS via Express form Text control save_control

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-2026-81897

Concrete CMS versions below 9.5.3 are vulnerable to stored cross-site scripting via the save_control action in the Express entities forms dashboard controller. The missing anti-CSRF token validation allows an unauthenticated remote attacker to cause an authenticated administrator to submit a forg...

EUVD-2026-78932

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

Concrete CMS before 9.5.3 is affected by a stored cross-site scripting (XSS) vulnerability in the Dashboard Form Submissions report. The root cause is a missing HTML entity encoding on user-defined Form block question labels when rendered as column headers in the file concrete/single_pages/dashbo...

CVE-2026-81896 Concrete CMS below version 9.5.3 is vulnerable to Stored XSS in Concrete CMS Form Submissions Report via Unescaped Question Label

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-2026-81896 Concrete CMS below version 9.5.3 is vulnerable to Stored XSS in Concrete CMS Form Submissions Report via Unescaped Question Label

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-2026-81896 Concrete CMS below version 9.5.3 is vulnerable to Stored XSS in Concrete CMS Form Submissions Report via Unescaped Question Label

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...

EUVD-2026-78928

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-2026-18111 Concrete CMS below 9.5.4 allows privilege escalation because adding users and assigning groups do not require additional identity verification

Concrete CMS 9 before 9.5.3 was vulnerable to stored cross-site scripting XSS in the Feature, Feature Link, Hero Image, and Image blocks and before Concrete 8.5.21 in the feature and Image blocks because the external link URL was insufficiently validated by the link filter and was rendered withou...