CVE-2026-77035: CWE-639: Authorization Bypass Through User-Controlled Key in joomlaeventmanager.net JEM - Joomla Event Manager extension for Joomla
Joomla Extension - joomlaeventmanager.net - Cross-user event and venue takeover through forged form fields in Joomla Event Manager < 5.0.1 - A registered user with edit-own rights (the eventowner=1 setting or core.edit.own) can POST another user's record id together with their own id as created_by and take over that record.
CVE-2026-77035: CWE-639: Authorization Bypass Through User-Controlled Key in joomlaeventmanager.net JEM - Joomla Event Manager extension for Joomla
Description
Joomla Extension - joomlaeventmanager.net - Cross-user event and venue takeover through forged form fields in Joomla Event Manager < 5.0.1 - A registered user with edit-own rights (the eventowner=1 setting or core.edit.own) can POST another user's record id together with their own id as created_by and take over that record.
CVSS v4.0
Score 5.1medium
Affected software
Weaknesses
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Joomla
- Date Reserved
- 2026-08-20T08:56:32.577Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a8fd7c3acd9273b49e17810
Added to database: 08/27/2026, 06:22:59 UTC
Last updated: 08/28/2026, 00:58:26 UTC
Views: 16
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