How severe is CVE-2023-23752?

CVE-2023-23752 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2023-23752 being actively exploited?

Yes. CVE-2023-23752 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2024-01-08, which means active exploitation has been confirmed. It should be prioritised for remediation.

What products are affected by CVE-2023-23752?

CVE-2023-23752 affects Joomla Joomla!. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-23752?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.

Does CVE-2023-23752 have an EU (EUVD) identifier?

Yes. CVE-2023-23752 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-27838. It is also flagged as exploited in the EUVD (since 2024-01-08).

When was CVE-2023-23752 published?

CVE-2023-23752 was published on 2023-02-16 and last updated on 2026-06-17.

CVE-2023-23752

CVE-2023-23752 is a medium-severity vulnerability in Joomla Joomla! with a CVSS 3.x base score of 5.3. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2024-01-08). The underlying weakness is classified as CWE-284.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 100% (100th percentile)
Actively exploited: Yes — listed in CISA KEV (added 2024-01-08)
EU (EUVD) id: EUVD-2023-27838
EU exploitation: Flagged exploited in the ENISA EU Vulnerability Database (since 2024-01-08)
Weakness: CWE-284
Affected product: Joomla Joomla!
Published: 2023-02-16
Last modified: 2026-06-17

Description

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

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 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2023-23752 being actively exploited?: Yes. CVE-2023-23752 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2024-01-08, which means active exploitation has been confirmed. It should be prioritised for remediation.
What products are affected by CVE-2023-23752?: CVE-2023-23752 affects Joomla Joomla!. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-23752?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
Does CVE-2023-23752 have an EU (EUVD) identifier?: Yes. CVE-2023-23752 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-27838. It is also flagged as exploited in the EUVD (since 2024-01-08).
When was CVE-2023-23752 published?: CVE-2023-23752 was published on 2023-02-16 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:joomla:joomla\!:*:*:*:*:*:*:*:*

More vulnerabilities in Joomla Joomla!

CVE-2026-48904 — Critical (CVSS 9.8): An improper access check allows privelege escalation through the com_users group editing webservice endpoint.
CVE-2026-48902 — Critical (CVSS 9.8): The password and username reset features created plain http links for https connections if the "Force SSL" flag wasn't…
CVE-2026-48899 — Critical (CVSS 9.8): An improper access check allows privilege escalation through the com_users batch task.
CVE-2026-48898 — Critical (CVSS 9.8): An improper access check allows privilege escalation through the com_users batch task.
CVE-2026-40383 — Critical (CVSS 9.8): An improper validation of user-supplied input leads to a local file inclusion vulnerability.
CVE-2026-35223 — Critical (CVSS 9.8): An improper access check allows unauthorized access to com_config webservice endpoints.

All CVEs affecting Joomla Joomla! →

Other CWE-284 (Improper Access Control) vulnerabilities

CVE-2026-50746 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit an Improper Access Control vulnerability found in UniFi…
CVE-2026-46978 — Critical (CVSS 10.0): Vulnerability in the Oracle Solaris product of Oracle Systems (component: Remote Administration Daemon). The…
CVE-2026-35308 — Critical (CVSS 10.0): Vulnerability in the Oracle Coherence product of Oracle Fusion Middleware (component: Centralized Third Party Jars).…
CVE-2026-35307 — Critical (CVSS 10.0): Vulnerability in the Oracle Coherence product of Oracle Fusion Middleware (component: Core). Supported versions that…
CVE-2026-46695 — Critical (CVSS 10.0): Boxlite is a sandbox service that allows users to create lightweight virtual machines (Boxes) and launch OCI containers…
CVE-2026-46840 — Critical (CVSS 10.0): Vulnerability in Oracle REST Data Services (component: Backend-as-a-Service). Supported versions that are affected are…

Browse all CWE-284 (Improper Access Control) vulnerabilities →