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TI-2026-25287 Aliases CVE-2026-32818GHSA-g375-5wmp-xr78

Admidio is Missing Authorization on Forum Topic and Post Deletion

Priority MEDIUM 62CWE-862Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Security bypass
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-862.

Summary

Admidio is an open-source user management solution. In versions 5.0.0 through 5.0.6, the forum module in Admidio does not verify whether the current user has permission to delete forum topics or posts. Both the topic_delete and post_delete actions in forum.php only validate the CSRF token but perform no authorization check before calling delete(). Any authenticated user with forum access can delete any topic (with all its posts) or any individual post by providing its UUID. This is inconsistent with the save/edit operations, which properly check isAdministratorForum() and ownership before allowing modifications. Any logged-in user can permanently and irreversibly delete any forum topic (including all its posts) or any individual post by simply knowing its UUID (which is publicly visible in URLs), completely bypassing authorization checks. This issue has been fixed in version 5.0.7.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.0024 15th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed admidio (Admidio): 5.0.7admidio/admidio (Packagist): 5.0.7

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

VendorProductAffected versionsFixed inStatusSource
Admidioadmidiobefore 5.0.75.0.7Patch availableCNA
—admidio/admidio (Packagist)5.0.0 to before 5.0.75.0.7Patch availableGHSA-g375-5wmp-xr78
  • admidio VendorAdmidio Affected before 5.0.7 Fixed in 5.0.7 Patch available CNA
  • admidio/admidio (Packagist) Vendor— Affected 5.0.0 to before 5.0.7 Fixed in 5.0.7 Patch available GHSA-g375-5wmp-xr78

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:admidio:admidio:*:*:*:*:*:*:*:*5.0.0 to before 5.0.7VulnerableAdmidio
  • cpe:2.3:a:admidio:admidio:*:*:*:*:*:*:*:* Versions 5.0.0 to before 5.0.7 Vulnerable ·Admidio

Remediation

  • Fix · CNA admidio (Admidio) Fixed in 5.0.7
  • Fix · GHSA-g375-5wmp-xr78 admidio/admidio (Packagist) Fixed in 5.0.7 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-32818
  2. 2026-10-03 Alias added: GHSA-g375-5wmp-xr78

References

  • 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
See all 31 →

Sources