CVE-2023-23752 | [20230201] - Core - Improper access check in webservice endpoints

Exp

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

Published: 2023-02-16 Last update: 2025-10-24 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2023-23752 is rated Critical Active Threat (81.3/100): CVSS Medium severity, with high exploitation likelihood (EPSS 94.52%, 100th percentile). Core evidence: CISA KEV confirms active exploitation (added 2024-01-08) affecting Joomla! / Joomla!. a weakness (CWE-284) Unauthenticated remote administrative access may be possible. Mandatory action: The CISA remediation deadline has passed—treat as an emergency patch priority.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

CISA KEV Record for CVE-2023-23752

Name: Joomla! Improper Access Control Vulnerability · CISA KEV detail

Exploit added: 2024-01-08

Action due: 2024-01-29

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

Public exploit references (Exploit-DB) for CVE-2023-23752

EDB-ID Source Kind Published Link
51334 exploit_db edb 2023-04-08 Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2023-23752

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-11-21 94.43% 94.52% +0.08%
2 2025-11-18 94.53% 94.43% -0.09%
3 2025-04-15 94.53%

Full EPSS history (47 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2023-23752

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.3 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:L)
Some sensitive info could get out, but not a total data dump.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
3.9 1.4 [email protected]
5.3 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:L)
Some sensitive info could get out, but not a total data dump.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
3.9 1.4 134c704f-9b21-4f2e-91b3-4a467353bcc0

Weakness enumeration for CVE-2023-23752

Affected software / configurations for CVE-2023-23752

Vendor Product Version Raw CPE
joomla joomla\! >= 4.0.0, < 4.2.8 cpe:2.3:a:joomla:joomla\!:*:*:*:*:*:*:*:*

References for CVE-2023-23752

cvelogic Threat Intelligence