CVE-2023-23752
Joomla! Improper Access Control Vulnerability
Joomla! Joomla!
An issue was discovered in Joomla! 4.0.0 through 4.2.7. An improper access check allows unauthorized access to webservice endpoints.
Exploitation status
CISA Known Exploited Vulnerabilities
Listed by CISA on 8 January 2024. US federal agencies were required to remediate it by 29 January 2024.
EPSS — exploitation probability
FIRST puts the probability of exploitation activity in the next 30 days at 99.8%, which is higher than 99.9% of all scored vulnerabilities. EPSS is a forecast of activity, not a measure of severity, and it is rescored daily.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Frequently asked questions
Is CVE-2023-23752 being exploited by ransomware groups?
No ransomware group in this database is currently recorded as exploiting CVE-2023-23752.
What does CVE-2023-23752 affect?
CVE-2023-23752 affects Joomla! Joomla!. 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 is rated MEDIUM with a CVSS base score of 5.3. EPSS puts the probability of exploitation in the next 30 days at 99.8%, higher than 99.9% of all scored vulnerabilities. It is listed in the CISA Known Exploited Vulnerabilities catalog, with a federal remediation deadline of 29 January 2024.
How should organisations respond to CVE-2023-23752?
Apply the vendor patch for Joomla! Joomla! as the first priority, and treat any internet-facing instance as the most urgent. Because this vulnerability is associated with ransomware activity, also review whether the affected systems were reachable before patching, rather than assuming that patching alone closes the incident.