Code injection in concrete CMS
Concrete CMS Versions 9.0.0 through 9.0.2 and 8.5.7 and below can download zip files over HTTP and execute code from those zip files which could lead to an RCE. Fixed by enforcing ‘concrete_secure’ instead of ‘concrete’. Concrete now only makes requests over https even a request comes in via http. Concrete CMS security team ranked this 8 with CVSS v3.1 vector: AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H Credit goes to Anna for reporting HackerOne 1482520.
Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Composer package | concrete5/core | >= 9.0.0, < 9.1.0, < 8.5.8 | 9.1.0, 8.5.8 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2022-21829
- https://hackerone.com/reports/1482520
- https://documentation.concretecms.org/developers/introduction/version-history/858-release-notes
- https://documentation.concretecms.org/developers/introduction/version-history/910-release-notes
- https://documentation.concretecms.org/developers/introduction/version-history/910-release-notes,
- https://github.com/concretecms/concretecms-core
- https://hackerone.com/reports/1482520,
- CVSS vector
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H- Weakness (CWE)
CWE-319, CWE-74- Platform
- Composer
- Package
concrete5/core- Disclosed
- 25.06.2022
- Updated
- 11.10.2026 10:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-6xc4-7fmm-65q2 - CC BY 4.0
Vulnerability history: concrete5/core
All published vulnerabilities of this package (Composer package), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 9
- First → latest
- 11.2021 06.2022
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- Critical 1
- High 3
- Medium 4
- Low 1
Disclosures per year
- 2021: 6
- 2022: 3
- 2023: 0
- 2024: 0
- 2025: 0
- 2026: 0
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Code injection in concrete CMS this entry
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