How severe is CVE-2023-23752?

CVE-2023-23752 has a CVSS 3.1 base score of 5.3 (MEDIUM). EPSS estimates a 99.8% probability of exploitation in the next 30 days. It is listed in the CISA Known Exploited Vulnerabilities catalog.

CVE-2023-23752: [20230201] - Core - Improper access check in

CISA Known Exploited Vulnerabilities

Joomla! Improper Access Control Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.

Added to KEV

2024-01-08

Remediation due

2024-01-29

Required action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

CISA notes
https://developer.joomla.org/security-centre/894-20230201-core-improper-access-check-in-webservice-endpoints.html; https://nvd.nist.gov/vuln/detail/CVE-2023-23752

Description

An issue was discovered in Joomla! 4.0.0 through 4.2.7. An improper access check allows unauthorized access to webservice endpoints.

Severity

CVSS 3.1 · CISA5.3 MEDIUM

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

SSVC · CISA-ADP

Exploitationactive

Automatableyes

Technical impactpartial

Exploitation Context

as of October 17, 2026

All KEV statistics→

CISA added CVE-2023-23752 to the KEV catalog 326 days after its CVE record was published. The median for entries added in 2024 is 21.5 days.
Its current EPSS score (99.8%) is higher than that of 91% of CISA KEV entries.

Affected Products

Vendor	Product	Affected versions
Joomla! Project	Joomla! Project Joomla! CMS	4.0.0-4.2.7

References

1 Links

Vendor advisories

https://developer.joomla.org/security-centre/894-20230201-core-improper-access-check-in-webservice-endpoints.html

Record Details

Published

2023-02-16

Last updated

2026-02-26

Assigner (CNA)

Joomla

Credited to

Zewei Zhang from NSFOCUS TIANJI Lab

CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). This site is not endorsed or certified by MITRE, NVD, CISA, or FIRST.