CVE-2026-53760

Admidio: CSRF on Plugin Install, Uninstall, and Update via Unprotected GET Requests

MEDIUM
5.2
CVSS Score
Published: September 4, 2026 at 05:54 PM UTC
Updated: September 9, 2026 at 09:27 PM UTC
1 product affected across 1 vendorAdmidio

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Severity
MEDIUM5.2
Exploit prediction
EPSS 0.2%
SSVC
PoC

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 056b1bd9f995437395e337d2c73a32e5c96ee616

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.2MEDIUMGitHub_M
Attack Vector
NETWORK
Complexity
LOW
Privileges
HIGH
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
LOW
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-352

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