CVE-2026-90907CWE-639

CVE-2026-90907

Medium · published September 29, 2026

CVSS v3.1
5.3
EPSS
0%
Percentile
8.6
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CVSS v4.0
6.9 · 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
EPSS
0.00194 · 8.6th percentile
Weakness
CWE-639 · Authorization Bypass Through User-Controlled Key
Published
2026-09-29T21:17Z
Affected products (2)
ProductVersionsFixed in
joomla/joomla\!≥ 1.5.0, < 5.4.85.4.8
joomla/joomla\!≥ 6.0.0, < 6.1.36.1.3
References (2)
https://developer.joomla.org/security-centre/1082-20260902-core-unauthorized-user-account-creation-via-profile-save-controller.html · [email protected]https://www.joomla.org/ · [email protected]
EPSS history
Timeline
  • 01 OCT 03:50Z
    EPSS moved — → 0%
    epss
  • 29 SEP 16:43Z
    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
    cvelistv5