NVD / CVE Program· CNA Joomla

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

MediumCVSS 5.3 · v3.1KEVWeaponized No fix recorded

Noroxi assessment

Priority: Now (action score 81/100)

CISA has confirmed exploitation in the wild (Jan 8, 2024). Remediation deadline for US federal agencies: Jan 29, 2024.
A ready-made attack module is public (Metasploit, Nuclei); exploiting it takes no special expertise.
Probability of exploitation in the next 30 days: 99.8% (FIRST EPSS); higher than 99.9% of all records.
Anyone who can reach it over the internet can trigger it. No account or password is required. No user action is required. No special conditions are required; it is repeatable.
According to CISA the attack is automatable: targets can be found by mass scanning.
According to the record, no fixed version is available yet.
Mentioned 1 time in Turkish national cyber security advisories (siberguvenlik.gov.tr).

Patch today or shut off access. Until a fix is released, restrict access to the affected component and follow the vendor's advisory.

Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it

Primary sources: NVD · CVE.org · CISA KEV · FIRST EPSS

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

BDU:2023-00994

Published: Feb 16, 2023
Updated: Jun 17, 2026
EPSS: 99.8% · 99th percentile
CWE: CWE-284

Report tools

JSON

Action score

Now

Patch today or shut off access.

CVSS: 21 / 40 · 5.3 / 10
CISA KEV: 30 / 30 · Listed
EPSS: 30 / 30 · 99.8%

CISA SSVC decision

Exploitation: active
Automatable: yes
Technical impact: partial

Vulnrichment: CISA's decision-tree inputs.

Actively exploited in the wild

CISA added this to its Known Exploited Vulnerabilities catalog on Jan 8, 2024. That signals real attacks, not theory.

Remediation deadline for US federal agencies: Jan 29, 2024.

Get told when this record changes

In CISA KEV: exploitation in the wild confirmed
Weaponized exploit exists
No fixed version yet

If any of these changes, we'll tell you in the daily email digest.

Is your version affected? Check it

Noroxi analysis

What does it mean in your environment?

The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.

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Affected systems

Is your version affected?

Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.

Vendor	Product	CPE
joomla	joomla\!	cpe:2.3:a:joomla:joomla\!

Versions reported by the vendor

Affected version ranges reported by the assigning authority (Joomla). Independent of NVD's CPE analysis and usually ahead of it.

Joomla! Project Joomla! CMS
- 4.0.0-4.2.7affected

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

joomla joomla!4.0.0 and later · before 4.2.8

Same product

joomla: all records

Other highest-scoring records for the same primary product.

CVE-2017-8917SQL injection vulnerability in Joomla! 3.7.x before 3.7.1 allows attackers to execute arbitrary SQL commands via unspecified vectors.
69This week
CVE-2016-8869The register method in the UsersModelRegistration class in controllers/user.php in the Users component in Joomla! before 3.6.4 allows…
68This week
CVE-2016-8870The register method in the UsersModelRegistration class in controllers/user.php in the Users component in Joomla! before 3.6.4, when…
60This week

Published before and after this one in the same product

← EarlierCVE-2023-23750Feb 1, 2023 · [20230101] - Core - CSRF within post-installation messages
25Monitor
← EarlierCVE-2023-23751Feb 1, 2023 · [20230102] - Core - Missing ACL checks for com_actionlogs
17Monitor
Later →CVE-2023-23754May 30, 2023 · [20230501] - Core - Open Redirect and XSS within the mfa select
24Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

Weaponized

A ready exploit tool or active in-the-wild use is known for this vulnerability. This should be your top priority.

Evidence

Metasploit module ×1
Exploit-DB entry ×1
Nuclei detection template ×1
Proof-of-concept repository on GitHub ×49

Noroxi does not host or link to exploit code. Metasploit module names and Nuclei template ids are shown (names, not code); Exploit-DB entries and PoC repositories are given as counts only.

Public exploit evidence
Source	Kind	Date
Proof-of-concept repository on GitHub	49 repositories	2023-02-18 → 2026-10-08
Exploit-DB entry	webapps	2023-04-08
Metasploit module	auxiliary/scanner/http/joomla_api_improper_access_checksJoomla API Improper Access Checksauxiliary	2023-02-01
Nuclei detection template	Nuclei template CVE-2023-23752	—

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.