CVE-2026-77991

9.4 criticalEPSS 0.6%

Critical (9.4). EPSS 0.6% chance of exploitation in the next 30 days.

Joomla Extension - joomlaeventmanager.net - Privileged remote code execution in Joomla Event Manager < 5.0.1 - The administrator source model allows to write dangerous file type incl. PHP, leading to remote code execution.

Severity

CVSS 4.0

9.4 critical

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

EPSS: 0.6% chance of exploitation in the next 30 days; higher than 50% of CVEs (scores of 2026-10-31)
CWE: CWE-434
Published: 2026-08-27
Modified: 2026-08-28
Record from: the NVD, synced 2026-10-19

References

https://www.joomlaeventmanager.net/

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