Vulnerability in Joomla Joomla\!
CVE-2026-73371
Joomla! Core - [20260808] - Improper ACL checks for batch copy actions in Joomla 4.0.0-5.4.7, 6.0.0-6.1.2 - An improper access check allows unauthorized users to perform copy batch operations on uneditable items.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.003 (19.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 19th percentile — 19.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: -0.000
Affected products
- Joomla Joomla\!
- Joomla! Project Cms — versions 4.0.0-5.4.6, 6.0.0-6.1.2
Weakness classification (CWE)
References
- developer.joomla.org/security-centre/20260808-core-improper-acl-checks-for-batc…
- www.joomla.org/ (Product, product)
- developer.joomla.org/security-centre/1075-20260808-core-improper-acl-checks-for… (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-73371?
- CVE-2026-73371 is a medium-severity vulnerability in Joomla Joomla\!, classified under Improper Access Control. CVSS score: 4.3/10. Published 2026-08-18.
- How severe is CVE-2026-73371?
- Medium severity. CVSS v3 base score is 4.3 out of 10.