CVE-2026-77035
Medium
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.
SeverityMedium
CVSS5.1
Exploit probability—
ProductJEM - Joomla Event Manager extension for Joomla
PublishedAug 27, 2026
First seenAug 27, 2026
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| joomlaeventmanager.net JEM - Joomla Event Manager extension for Joomla | 1.0.0-5.0.0 | — |
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