Admidio: CSRF on Plugin Install, Uninstall, and Update via Unprotected GET Requests
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Tampering
- Confidentiality · integrity · availability
- None · High · Low
- 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 5.0.11 and prior, the modules/plugins.php endpoint handles plugin installation, uninstallation, and update operations via GET requests without CSRF token validation. Because these are top-level navigations, browsers include SameSite=Lax session cookies. An attacker crafts a malicious page that, when an authenticated administrator visits it, triggers arbitrary plugin operations. The uninstall operation executes DROP TABLE SQL scripts and destroys plugin data. This issue has been patched via commit 056b1bd.
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 056b1bd9f995437395e337d2c73a32e5c96ee616 | 056b1bd9f995437395e337d2c73a32e5c96ee616 | Patch available | CNA |
| — | admidio/admidio (Packagist) | up to 5.0.11 | — | No fix listed | GHSA-hm42-q32m-vj4f |
- admidio VendorAdmidio Affected before 056b1bd9f995437395e337d2c73a32e5c96ee616 Fixed in 056b1bd9f995437395e337d2c73a32e5c96ee616 Patch available CNA
- admidio/admidio (Packagist) Vendor— Affected up to 5.0.11 Fixed in — No fix listed GHSA-hm42-q32m-vj4f
Remediation
- Fix · CNA admidio (Admidio) Fixed in 056b1bd9f995437395e337d2c73a32e5c96ee616
Timeline
- 2026-10-02 Threatist record created from CVE-2026-53760
- 2026-10-03 Alias added: GHSA-hm42-q32m-vj4f
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-2026-56995 Admidio before 5.0.12 Authentication Bypass via RSS feeds CVSS 4.0HIGH 8.7
- TI-2026-56993 Admidio before 5.0.12 SQL Injection via relation_type_list CVSS 4.0HIGH 8.7
- TI-2024-25222 Admidio has Blind SQL Injection in ecard_send.php CVSS 3.1CRITICAL 10.0
- TI-2026-30186 Admidio: SAML Signature Validation Result Ignored — Forged AuthnRequests and LogoutRequests Processed CVSS 3.1HIGH 8.2
- TI-2024-25764 Admidio Vulnerable to RCE via Arbitrary File Upload in Message Attachment CVSS 3.1CRITICAL 9.1
Sources
- CVE-2026-53760 · CVE Program
- CVE-2026-53760 · NVD
- FIRST EPSS
- GHSA-hm42-q32m-vj4f · 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