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Medium 5.1Published Aug 27, 2026

CVE-2026-77035Joomla Extension - joomlaeventmanager.net - Cross-user event and venue takeover through forged form fields in Joomla Event Manager < 5.0.1

Updated under an hour ago ()

Does this affect you?

It affects joomlaeventmanager.net JEM - Joomla Event Manager extension for Joomla. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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.

CVSS
5.1 MEDIUM (v4.0, CNA)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
Weakness (CWE)
CWE-639
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
Joomla
NVD analysis
Deferred
Record last updated
Aug 28, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
joomlaeventmanager.net JEM - Joomla Event Manager extension for Joomla
joomlaeventmanager.net:jem_joomla_event_manager_extension_for_joomla (from the name)
1.0.0-5.0.0
CNA record

References

  • product

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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