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Concrete CMS

Records221All Threatist records
Exploited (KEV)0None in CISA KEV
CVSS critical7CVSS 9.0–10.0
CVSS high49CVSS 7.0–8.9

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Concrete CMS records in CISA KEV

No Concrete CMS vulnerabilities are listed in CISA KEV.

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198 records in Concrete Cms · all components

TI-2026-14907 CVE-2026-18110 · GHSA-7hmf-f7jv-m4xw

Missing authorization in Concrete CMS

Priority MEDIUM 47

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 com…

CVSS 4.0HIGH 8.7 Network No auth No interaction EPSS 0.01592 Published 2026-09-15 No fix listed CWE-862
Priority MEDIUM 45

A Server-Side Request Forgery vulnerability was found in concrete5 < 8.5.5 that allowed a decimal notation encoded IP address to bypass the limitations in place for localhost allowing interaction with local services.

CVSS 3.1CRITICAL 9.8 Network No auth No interaction EPSS 0.01226 Published 2021-10-07 Fixed in 8.5.5 CWE-918
TI-2026-07165 CVE-2026-8134 · GHSA-645j-cm4x-3xvw

Path traversal in Concrete CMS

Priority MEDIUM 44

Concrete CMS 9.5.0 and below fails to sanitize path traversal sequences in the ptComposerFormLayoutSetControlCustomTemplate field when saving page type composer form layouts.

CVSS 4.0CRITICAL 9.4 Network High privileges No interaction EPSS 0.00739 Published 2026-05-21 Fixed in 9.5.1 CWE-23
Priority MEDIUM 43

Concrete 8.5.7 and below as well as Concrete 9.0 through 9.0.2 allow traversal in /index.php/ccm/system/file/upload which could result in an Arbitrary File Delete exploit.

CVSS 3.1CRITICAL 9.1 Network No auth No interaction EPSS 0.02125 Published 2022-06-24 Fixed in 9.1.0, 8.5.8 CWE-22
Priority MEDIUM 41

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

CVSS 4.0HIGH 8.9 Network High privileges No interaction EPSS 0.0047 Published 2026-05-21 Fixed in 9.5.1 CWE-502
TI-2026-56506 CVE-2026-81895 · GHSA-rc56-pff2-6crm

SQL injection in Concrete CMS

Priority LOW 39

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 concaten…

CVSS 4.0HIGH 8.5 Network High privileges User interaction EPSS 0.00509 Published 2026-09-15 No fix listed CWE-89
TI-2026-56507 CVE-2026-81896 · GHSA-jhq2-9mcm-q56w

Cross-site scripting in Concrete CMS

Priority LOW 38

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/rep…

CVSS 4.0HIGH 8.4 Network High privileges User interaction EPSS 0.00237 Published 2026-09-15 No fix listed CWE-79
TI-2026-56505 CVE-2026-81894 · GHSA-qgxh-7qc6-mgwq

SQL injection in Concrete CMS

Priority LOW 38

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/f…

CVSS 4.0HIGH 8.5 Network High privileges User interaction EPSS 0.00237 Published 2026-09-15 No fix listed CWE-89
TI-2026-14908 CVE-2026-18111 · GHSA-vgg6-gg65-r39p

Missing authentication in Concrete CMS

Priority LOW 38

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 l…

CVSS 4.0HIGH 8.5 Network High privileges User interaction EPSS 0.00192 Published 2026-09-15 No fix listed CWE-306
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