Admidio is Missing Authorization on Forum Topic and Post Deletion
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · High · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-862.
Summary
Admidio is an open-source user management solution. In versions 5.0.0 through 5.0.6, the forum module in Admidio does not verify whether the current user has permission to delete forum topics or posts. Both the topic_delete and post_delete actions in forum.php only validate the CSRF token but perform no authorization check before calling delete(). Any authenticated user with forum access can delete any topic (with all its posts) or any individual post by providing its UUID. This is inconsistent with the save/edit operations, which properly check isAdministratorForum() and ownership before allowing modifications. Any logged-in user can permanently and irreversibly delete any forum topic (including all its posts) or any individual post by simply knowing its UUID (which is publicly visible in URLs), completely bypassing authorization checks. This issue has been fixed in version 5.0.7.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Admidio | admidio | before 5.0.7 | 5.0.7 | Patch available | CNA |
| — | admidio/admidio (Packagist) | 5.0.0 to before 5.0.7 | 5.0.7 | Patch available | GHSA-g375-5wmp-xr78 |
- admidio VendorAdmidio Affected before 5.0.7 Fixed in 5.0.7 Patch available CNA
- admidio/admidio (Packagist) Vendor— Affected 5.0.0 to before 5.0.7 Fixed in 5.0.7 Patch available GHSA-g375-5wmp-xr78
Remediation
- Fix · CNA admidio (Admidio) Fixed in 5.0.7
- Fix · GHSA-g375-5wmp-xr78 admidio/admidio (Packagist) Fixed in 5.0.7 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2026-32818
- 2026-10-03 Alias added: GHSA-g375-5wmp-xr78
References
More Admidio vulnerabilities
- TI-2026-25286 Admidio is Missing Authorization and CSRF Protection on Document and Folder Deletion CVSS 3.1CRITICAL 9.1
- TI-2024-25222 Admidio has Blind SQL Injection in ecard_send.php CVSS 3.1CRITICAL 10.0
- TI-2024-25764 Admidio Vulnerable to RCE via Arbitrary File Upload in Message Attachment CVSS 3.1CRITICAL 9.1
- TI-2026-25247 Admidio: Unrestricted File Upload via CSRF Token Validation Bypass in Documents & Files Module CVSS 3.1HIGH 8.8
- TI-2026-26667 Admidio: Unauthenticated Access to Role-Restricted documents via neutralized .htaccess CVSS 3.1HIGH 7.5
- TI-2026-25282 Admidio: Second-Order SQL Injection via List Configuration (lsc_special_field, lsc_sort, lsc_filter) CVSS 3.1HIGH 8.0
Sources
- CVE-2026-32818 · CVE Program
- CVE-2026-32818 · NVD
- FIRST EPSS
- GHSA-g375-5wmp-xr78 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences