CVE-2026-77035

Joomla Extension - joomlaeventmanager.net - Cross-user event and venue takeover through forged form fields in Joomla Event Manager < 5.0.1

Published Aug 27, 2026 CVSS 4.0 · 5.1 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
References
History
Type Values Removed Values Added
First Time appeared Joomlaeventmanager.net
Joomlaeventmanager.net jem - Joomla Event Manager Extension For Joomla
Vendors & Products Joomlaeventmanager.net
Joomlaeventmanager.net jem - Joomla Event Manager Extension For Joomla
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Joomla Extension - joomlaeventmanager.net - Cross-user event and venue takeover through forged form fields in Joomla Event Manager < 5.0.1
Weaknesses CWE-639
References
Metrics cvssV4_0

{'score': 5.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Joomla
Published
Updated
Aug 28, 2026, 7:43 AM
Reserved
Aug 20, 2026, 8:56 AM
Status
Deferred
Published
Aug 27, 2026, 6:17 AM
Modified
Aug 28, 2026, 4:09 PM