CVE-2026-90907

Joomla! Core - [20260902] - Core - Unauthorized user account creation via profile.save controller in Joomla 1.5.0-5.4.8, 6.0.0-6.1.3

State: Published
Severity: 6.9 Medium
Published: Sep 29, 2026
Updated: Sep 30, 2026
Reserved: Sep 14, 2026

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Description

Joomla! Core - [20260902] - Core - Unauthorized user account creation via profile.save controller in Joomla 1.5.0-5.4.8, 6.0.0-6.1.3 - The profile.save controller did not check the login state of a user, allowing the creation of guest-level users on sites without active user registration.

Scores

CVSS	Score	Vector	Source
4.0	6.9 Medium	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N	Joomla

Weaknesses

CWE-639 Authorization Bypass Through User-Controlled Key

Affected Products

Product	Versions
Joomla! CMSJoomla! Project	1.5.0-5.4.8Affected 6.0.0-6.1.3Affected

References

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