CVE-2023-23752

Q: How do I fix CVE-2023-23752?

Upgrade joomla\! to 4.2.8 or later.

Q: Is CVE-2023-23752 being actively exploited?

Yes. CVE-2023-23752 is listed in the CISA Known Exploited Vulnerabilities catalog, which means exploitation has been observed in the wild. US federal agencies were required to remediate it by 2024-01-29. Treat it as a priority whatever its CVSS score says.

Q: How severe is CVE-2023-23752?

CVE-2023-23752 has a CVSS v3 base score of 5.3, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

Q: What does CVE-2023-23752 affect?

Published advisories record a fix for joomla\! (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

MEDIUMCISA KEVEPSS 100th pctl

5.3

CVSS v3

NVD

Description

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

CWE-284Improper Access Control

How to fix

Remediation Available

joomla\!NVD

Affected:>= 4.0.0, < 4.2.8Fixed in:4.2.8CVE-2023-23752derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

99.83%probability of exploitation in 30 days

100thpercentile

Very high risk: more likely to be exploited than 100% of all known CVEs.

Known Exploited Vulnerability (CISA KEV)

Joomla! Improper Access Control Vulnerability

Joomla! contains an improper access control vulnerability that allows unauthorized access to webservice endpoints.

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

Remediation due: 2024-01-29

References

Vendor Advisory1

developer.joomla.org

Government Resource1

cisa.gov

Related Vulnerabilities

Other CWE-284 (Improper Access Control) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-27350	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2019-1653	High	7.5	100%	KEV	-
CVE-2023-38205	High	7.5	100%	KEV	-
CVE-2023-29298	High	7.5	100%	KEV	-
CVE-2024-27348	Critical	9.8	99%	KEV	Fix
CVE-2012-4681	Critical	9.8	99%	KEV + Ransom	-

Common questions

How do I fix CVE-2023-23752?

Upgrade joomla\! to 4.2.8 or later.

Is CVE-2023-23752 being actively exploited?

Yes. CVE-2023-23752 is listed in the CISA Known Exploited Vulnerabilities catalog, which means exploitation has been observed in the wild. US federal agencies were required to remediate it by 2024-01-29. Treat it as a priority whatever its CVSS score says.

How severe is CVE-2023-23752?

CVE-2023-23752 has a CVSS v3 base score of 5.3, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2023-23752 affect?

Published advisories record a fix for joomla\! (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

Embed a live status badge for CVE-2023-23752

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-10-24.