[20250402] - Joomla Core - MFA Authentication Bypass

published 2025-04-08 19 mo ago modified 2026-09-08 2 mo ago also BIT-joomla-2025-25227 , EUVD-2025-10262 , GHSA-6423-85cc-8gf6

cvss: 7.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.4%; EPSS 0.4% chance of exploitation in 30 days, percentile 35%
public exploits: 0; none known

Insufficient state checks lead to a vector that allows to bypass 2FA checks.

Patch / fix

fixed in 3

packagist joomla/joomla-cms 4.4.13, 5.2.6
bitnami joomla 5.2.6
joomla joomla! 4.4.13, 5.2.6

CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: partial
Assessed: 19 mo ago (2025-04-08)

Exploit prediction

0.41% chance of exploitation in the next 30 days, higher than 35% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
GitHub	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CNA	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
OSV	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected packages

ecosystem	package	affected	fixed in
packagist	joomla/joomla-cms	>=5.0.0, <5.2.6 >=4.0.0, <4.4.13	5.2.6 4.4.13
bitnami	joomla	>=4.0.0, <5.2.6	5.2.6

Affected products

Joomla! Project Joomla! CMS

Classification

Weakness

CWE-287 Improper Authentication

References

developer.joomla.org /security-centre/964-20250402-core-mfa-authentication-bypass.html
vendor-advisory, web, advisory
nvd.nist.gov /vuln/detail/CVE-2025-25227
advisory, web
github.com /joomla/joomla-cms
package

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary