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.
MEDIUM
Vulnerability intelligence
CVE-2026-77035
CVSS 4.05.1
SeverityMedium
Known exploitedNo
NVD references:
Primary source: NIST National Vulnerability Database