CVE-2026-53760

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

Published Sep 4, 2026 CVSS 3.1 · 5.2 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Github GHSA Github GHSA GHSA-hm42-q32m-vj4f Admidio: CSRF on Plugin Install, Uninstall, and Update via Unprotected GET Requests
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Admidio
Admidio admidio
Vendors & Products Admidio
Admidio admidio
Type Values Removed Values Added
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.
Title Admidio: CSRF on Plugin Install, Uninstall, and Update via Unprotected GET Requests
Weaknesses CWE-352
References
Metrics cvssV3_1

{'score': 5.2, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:H/A:L'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Sep 9, 2026, 4:00 PM
Reserved
Jun 10, 2026, 5:48 PM
Status
Deferred
Published
Sep 4, 2026, 6:17 PM
Modified
Sep 9, 2026, 9:09 PM