Exposure of sensitive information in concrete5/core
In Concrete CMS (formerly concrete 5) below 8.5.7, IDOR Allows Unauthenticated User to Access Restricted Files If Allowed to Add Message to a Conversation.To remediate this, a check was added to verify a user has permissions to view files before attaching the files to a message in "add / edit message”.
Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Composer package | concrete5/core | < 8.5.7 | 8.5.7 |
References
- Weakness (CWE)
CWE-200, CWE-639- Platform
- Composer
- Package
concrete5/core- Disclosed
- 23.11.2021
- Updated
- 11.10.2026 10:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-m2v2-8227-59f5 - 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
-
Exposure of sensitive information in concrete5/core this entry
Know which vulnerabilities affect your application
With the DockRay integration and software inventory enabled, DockRay checks reported component versions against known vulnerabilities and notifies you about confirmed matches. Coverage depends on the supported technology and available advisory data.