Joomla! Improper Access Control Vulnerability
Joomla! Project — Joomla! CMS
An issue was discovered in Joomla! 4.0.0 through 4.2.7. An improper access check allows unauthorized access to webservice endpoints.
5.3
99.8%
Vector breakdown
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- Low
- Integrity
- None
- Availability
- None
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- Published
- Feb 16, 2023
- Modified
- Feb 26, 2026
- Added to KEV
- Jan 8, 2024
- Federal patch due
- Jan 29, 2024
CISA required action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Weakness classification
Proof-of-concept & exploitation references
Weaponization
Public repositories whose name or description references CVE-2023-23752, found via a live GitHub search at request time. These are community-sourced signals, not a verified working exploit - cross-check each one before relying on it, and treat higher star counts and recent activity as (weak) corroboration, not proof.
No public GitHub repositories referencing CVE-2023-23752 were found at last check. Absence here is not proof no exploit exists - see the references below for vendor advisories and write-ups.
References
Frequently asked questions
What is CVE-2023-23752?
An issue was discovered in Joomla! 4.0.0 through 4.2.7. An improper access check allows unauthorized access to webservice endpoints.
How severe is CVE-2023-23752?
CVE-2023-23752 has a CVSS base score of 5.3 out of 10 (CVSS 3.1).
Is CVE-2023-23752 actively exploited in the wild?
Yes. CVE-2023-23752 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added Jan 8, 2024, meaning CISA has confirmed evidence of active exploitation.
What is the EPSS score for CVE-2023-23752?
99.8% - meaning FIRST.org's EPSS model estimates a 99.8% probability this vulnerability will be exploited in the wild within 30 days (100% percentile among all scored CVEs).
Is there exploit tooling available for CVE-2023-23752?
Yes - a public Nuclei template referencing CVE-2023-23752 exist in public repositories we checked.
What type of vulnerability is CVE-2023-23752?
CVE-2023-23752 is classified under CWE-284 (CWE-284 Improper Access Control).
Cross-checked against
Impactr finds and proves whether CVE-2023-23752 - or flaws like it - are actually reachable in your own web apps and APIs, with a reproducible exploit as evidence.
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