CVE-2026-72531

Joomla! Core - [20260804] - Improper ACL checks for custom fields webservice endpoints in Joomla 4.0.0-5.4.7, 6.0.0-6.1.2 - An improper access check allows unauthorized users to create fields for inaccessible components.

CVSS 4.0

5.1CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

CVSS 3.1

5.4CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

EPSS

0.3% chance of exploitation in the next 30 days; higher than 18% of CVEs (scores of 2026-10-25)

CWE

CWE-284

Published

2026-08-18

Modified

2026-10-22

Record from

the NVD, synced 2026-10-23

Affected

• joomla:joomla\!

References

• https://developer.joomla.org/security-centre/20260804-core-improper-acl-checks-for-custom-fields-webservice-endpoints.html
• https://www.joomla.org/

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