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

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-53760
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-04 18:17:52 UTC
Updated2026-09-09 21:09:13 UTC
DescriptionAdmidio 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.

Risk And Classification

Primary CVSS: v3.1 5.2 MEDIUM from [email protected]

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:H/A:L

EPSS: 0.001400000 probability, percentile 0.036690000 (date 2026-09-10)

Problem Types: CWE-352 | CWE-352 CWE-352: Cross-Site Request Forgery (CSRF)

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary5.2MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:H/A:L
3.1CNADECLARED5.2MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:H/A:L

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
Low

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:H/A:L

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Admidio Admidio affected < 056b1bd9f995437395e337d2c73a32e5c96ee616 Not specified

References

ReferenceSourceLinkTags
github.com/Admidio/admidio/security/advisories/GHSA-hm42-q32m-vj4f 134c704f-9b21-4f2e-91b3-4a467353bcc0 github.com
github.com/Admidio/admidio/commit/056b1bd9f995437395e337d2c73a32e5c96ee616 [email protected] github.com
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