CVE-2026-77035

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.

  • Published Aug 27, 2026
  • CVSS 5.1 medium
  • 0.4% chance of exploitation in the next 30 days (EPSS)

Affected software

CVE-2026-77035 at the National Vulnerability Database