EUVD-2026-79142

Concrete CMS below 9.5.3 did not validate an anti-CSRF token on the block-arrangement backend endpoint the arrange action of Concrete\Controller\Backend\Page\ArrangeBlocks. The action enforced page-edit authorization but performed no token check, and its route accepted any HTTP method, so an...

CVE-2026-18113 Concrete CMS 9.0 to 9.5.2 is vulnerable to Stored XSS in the Top Navigation Bar Block via Dropdown Child Page Names

In Concrete CMS 9.0 to 9.5.2, the Top Navigation Bar block did not HTML-escape dropdown child page names before writing them into the page, so a user who could create or rename pages could store a script through a child page name and have it run in the browser of any visitor, editor, or...

CVE-2026-18113 Concrete CMS 9.0 to 9.5.2 is vulnerable to Stored XSS in the Top Navigation Bar Block via Dropdown Child Page Names

In Concrete CMS 9.0 to 9.5.2, the Top Navigation Bar block did not HTML-escape dropdown child page names before writing them into the page, so a user who could create or rename pages could store a script through a child page name and have it run in the browser of any visitor, editor, or...

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-2026-81895

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 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...

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-2026-81895 Concrete CMS 9.5.2 and below is vulnerable to Stored SQL Injection in Concrete CMS Document Library Block via `fsID[]` in `setMode=any`

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-2026-81895 Concrete CMS 9.5.2 and below is vulnerable to Stored SQL Injection in Concrete CMS Document Library Block via `fsID[]` in `setMode=any`

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-2026-81894

Concrete CMS 9.5.2 and below contains a stored DOM-based XSS in the Gallery block's per-image Caption field. The root cause is that the bundled Magnific Popup lightbox script (concrete/js/features/imagery/frontend.js) re-parses the attribute-decoded caption as HTML via jQuery's .append() in title...

CVE-2026-81894 Concrete CMS 9.5.2 and below is vulnerable to Stored DOM-based Cross-site Scripting (XSS) in the Gallery block image Caption field

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...

EUVD-2026-78833

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-2026-81894 Concrete CMS 9.5.2 and below is vulnerable to Stored DOM-based Cross-site Scripting (XSS) in the Gallery block image Caption field

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-2026-81894 Concrete CMS 9.5.2 and below is vulnerable to Stored DOM-based Cross-site Scripting (XSS) in the Gallery block image Caption field

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...

kernel: blk-cgroup: fix UAF in __blkcg_rstat_flush()

A flaw was found in the Linux kernel's block input/output control group blk-cgroup component. This vulnerability, a Use-After-Free UAF, occurs when multiple block control groups are released at the same time. A race condition allows one group to remove another's entries while it is still in use,...

SUSE CVE-2026-89576

In the Linux kernel, the following vulnerability has been resolved: dm-era: fix shadowed superblock leak on take-snap failure metadatatakesnap bumps the live superblock refcount and then dmtmshadowblock allocates a new block for the metadata snapshot. If the subsequent dmsmincblock of...

EUVD-2026-78205

Concrete CMS before 9.5.3 applied only trim to the YouTube block's stored width and height values and printed them into iframe HTML attributes without escaping or integer casting, resulting in stored cross-site scripting. A user with editblock permission could inject an event handler that execute...

CVE-2026-68534: Improper Neutralization of Input During Web Page Generation

Concrete CMS before 9.5.3 rendered Express entry labels as raw HTML when displaying associated entries, resulting in stored cross-site scripting. An unauthenticated attacker could submit a payload through a public Express Form; it then executed in an administrator's dashboard session when the...

CVE-2026-81919: Cross-Site Request Forgery (CSRF)

Concrete CMS below 9.5.3 did not validate an anti-CSRF token on the block-arrangement backend endpoint the arrange action of Concrete\Controller\Backend\Page\ArrangeBlocks. The action enforced page-edit authorization but performed no token check, and its route accepted any HTTP method, so an...

PT-2026-92130

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/single pages/dashboard/reports/forms/legacy.php. a rogue editor could store markup or script in a label...