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CVE-2026-77034

Joomla Extension - joomlaeventmanager.net - Unauthenticated article overwrite and force-publish in Joomla Event Manager < 5.0.1

MEDIUM
6.9
CVSS Score
Published: August 27, 2026 at 05:48 AM UTC
Updated: August 28, 2026 at 04:22 PM UTC
1 product affected across 1 vendorJem

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Severity
MEDIUM6.9
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

Description

Joomla Extension - joomlaeventmanager.net - Unauthenticated article overwrite and force-publish in Joomla Event Manager < 5.0.1 - Any visitor holding their own session token can republish and overwrite an article associated with an event.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

Product
Source: [email protected]
https://www.joomlaeventmanager.net/

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.9MEDIUMJoomla
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-284

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