Product by Concrete CMS
Concrete CMS
198 known vulnerabilities in Concrete CMS (Concrete CMS), 0 of them actively exploited (CISA KEV).
Key figures
198
Vulnerabilities
0
Actively exploited (KEV)
0
Used by ransomware
9
Critical
Vulnerabilities
Actively exploited vulnerabilities (CISA KEV) first, then by priority. Click a column header to re-sort the table.
| High | CVE-2026-18110 | Concrete CMS: Missing Authorization | 7.5 | |
| High | CVE-2021-40097 | Concrete CMS: Path Traversal | 8.8 | |
| High | CVE-2021-36766 | Concrete CMS: Deserialization of Untrusted Data | 7.2 | |
| Critical | CVE-2022-30117 | Https://github.com/concrete5/concrete5: Path Traversal | 9.1 | |
| Medium | CVE-2017-18195 | Concrete CMS: security vulnerability | 5.3 | |
| Critical | CVE-2022-21829 | Https://github.com/concrete5/concrete5: Cleartext Transmission of Sensitive Information | 9.8 | |
| High | CVE-2021-22968 | Https://github.com/concrete5/concrete5: PHP Remote File Inclusion | 7.2 | |
| High | CVE-2020-11476 | Concrete CMS: security vulnerability | 7.2 | |
| Medium | CVE-2026-6826 | Concrete 9.5.0 and below has file usage disclosure via missing permission check in Usage controller | 5.3 | |
| Critical | CVE-2021-40098 | Concrete CMS: Path Traversal | 9.8 | |
| High | CVE-2021-40101 | Concrete CMS: security vulnerability | 7.2 | |
| Critical | CVE-2023-48648 | Concrete CMS: security vulnerability | 9.8 | |
| Critical | CVE-2026-85385 | Concrete CMS below 9.5.4 is vulnerable to Stored XSS via User Timezone Field | 9.6 | |
| Medium | CVE-2017-7725 | Concrete CMS: Cross-Site Scripting (XSS) | 6.1 | |
| High | CVE-2021-40099 | Concrete CMS: Remote Code Execution | 7.2 | |
| Critical | CVE-2026-8134 | Concrete CMS: PHP Remote File Inclusion | 7.2 | |
| High | CVE-2020-24986 | Concrete CMS: security vulnerability | 7.2 | |
| Critical | CVE-2021-22958 | Https://github.com/concrete5/concrete5: Server-Side Request Forgery (SSRF) | 9.8 | |
| Critical | CVE-2021-40102 | Concrete CMS: Deserialization of Untrusted Data | 9.1 | |
| Medium | CVE-2021-3111 | Concrete CMS: Cross-Site Scripting (XSS) | 4.8 | |
| Critical | CVE-2026-18119 | Concrete CMS: Cross-site Scripting | 9.0 | |
| High | CVE-2026-81895 | Concrete CMS: SQL Injection | 7.2 | |
| High | CVE-2021-22970 | Https://github.com/concrete5/concrete5: Server-Side Request Forgery (SSRF) | 7.5 | |
| High | CVE-2021-40103 | Concrete CMS: Path Traversal | 7.5 | |
| High | CVE-2026-3452 | Concrete CMS: Deserialization of Untrusted Data | 7.2 |