Admidio is Missing CSRF Protection on Role Membership Date Changes
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Tampering
- 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-352.
Summary
Admidio is an open-source user management solution. In versions 5.0.6 and below, the save_membership action in modules/profile/profile_function.php saves changes to a member's role membership start and end dates but does not validate the CSRF token. The handler checks stop_membership and remove_former_membership against the CSRF token but omits save_membership from that check. Because membership UUIDs appear in the HTML source visible to authenticated users, an attacker can embed a crafted POST form on any external page and trick a role leader into submitting it, silently altering membership dates for any member of roles the victim leads. A role leader's session can be silently exploited via CSRF to manipulate any member's membership dates, terminating access by backdating, covertly extending unauthorized access, or revoking role-restricted features, all without confirmation, notification, or administrative approval. 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) | before 5.0.7 | 5.0.7 | Patch available | GHSA-h8gr-qwr6-m9gx |
- admidio VendorAdmidio Affected before 5.0.7 Fixed in 5.0.7 Patch available CNA
- admidio/admidio (Packagist) Vendor— Affected before 5.0.7 Fixed in 5.0.7 Patch available GHSA-h8gr-qwr6-m9gx
Remediation
- Fix · CNA admidio (Admidio) Fixed in 5.0.7
- Fix · GHSA-h8gr-qwr6-m9gx admidio/admidio (Packagist) Fixed in 5.0.7 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2026-32755
- 2026-10-03 Alias added: GHSA-h8gr-qwr6-m9gx
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-2026-32755 · CVE Program
- CVE-2026-32755 · NVD
- FIRST EPSS
- GHSA-h8gr-qwr6-m9gx · 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