CVE-2023-23752
Joomla! Improper Access Control Vulnerability
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 29 January 2024). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
Description
An issue was discovered in Joomla! 4.0.0 through 4.2.7. An improper access check allows unauthorized access to webservice endpoints.
- CVSS 3.1
- 5.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- EPSS
- 99.81% probability · 100th percentile
- Public exploits
- 1 in Exploit-DB · verified · first 8 April 2023
- CISA KEV
- Listed 8 January 2024 · due 29 January 2024
- Weakness
- CWE-284
- Affected
- joomla/joomla\!
- Source
- security@joomla.org
EPSS 99.8% since 30 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
CISA notes
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. 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
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- https://developer.joomla.org/security-centre/894-20230201-core-improper-access-check-in-webservice-endpoints.htmlVendor Advisory
- https://developer.joomla.org/security-centre/894-20230201-core-improper-access-check-in-webservice-endpoints.htmlVendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-23752US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.