CVE-2026-77990

Joomla Extension - joomlaeventmanager.net - Attendee lists readable by any logged-in user in Joomla Event Manager < 5.0.1

Published Aug 27, 2026 CVSS 4.0 · 5.3 Medium EPSS < 1% KEV · Not listed
Description
Joomla Extension - joomlaeventmanager.net - Attendee lists readable by any logged-in user in Joomla Event Manager < 5.0.1 - A non-manager can therefore read attendee names, usernames, registration dates and statuses for events they do not manage, including lists belonging to unpublished events.

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 - Attendee lists readable by any logged-in user in Joomla Event Manager < 5.0.1 - A non-manager can therefore read attendee names, usernames, registration dates and statuses for events they do not manage, including lists belonging to unpublished events.
Title Joomla Extension - joomlaeventmanager.net - Attendee lists readable by any logged-in user in Joomla Event Manager < 5.0.1
Weaknesses CWE-639
References
Metrics cvssV4_0

{'score': 5.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Joomla
Published
Updated
Aug 28, 2026, 7:45 AM
Reserved
Aug 21, 2026, 7:05 PM
Status
Deferred
Published
Aug 27, 2026, 6:17 AM
Modified
Aug 28, 2026, 4:09 PM