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CVE-2023-23752

[20230201] - Core - Improper access check in webservice endpoints

Exploited in the wild. In CISA KEV since 2024‑01‑08. Fixed in 4.2.8.

CVSS 3.15.3MediumEPSS percentile99th100% chance in 30 daysCISA KEVListedsince 2024-01-08, due 2024-01-29
No public exploit knownFix4.2.8Upgrade to this build

Published Updated Sources: CVE.org, NVD, BDU

NVD CVE.org

What to do

Find your product and version, then upgrade to the build on the right.

  • Joomla! Project Joomla! CMSAffected: 4.0.0-4.2.7Upgrade to: not statedStated by: CVE record
  • Joomla\!Affected: ≥ 4.0.0, < 4.2.8Upgrade to: 4.2.8Stated by: NVD
  • GNU General Public License Joomla!Affected: от 4.0.0 до 4.2.7Upgrade to: not statedStated by: BDU

Versions as the sources state them. Full version matrix after sign-in

Check it yourselfA free Nuclei and OpenVAS check exists for this CVE. Run it against your hosts.Is your organisation exposed?Discuss checks for your systems with a specialist. Scope is agreed before testing.

Coverage timeline

0 publishers

  1. Added to CISA KEV catalog

    ·CISA KEV

Sourced from public security reporting — each date is when it was published, not when it happened.

What it is

From the CVE record

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

In plain language

No plain-language summary for this CVE yet.

Exploitation

Where each signal puts this CVE on the scale from published to confirmed exploited.

EPSS99th
CISA KEV
CISA KEV

Listed as exploited in the wild since 2024-01-08.

US federal agencies must remediate by 2024-01-29.

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

No public exploit or proof of concept found in the sources we track.

EPSS

100% chance of exploitation activity in the next 30 days, which ranks it in the 99th percentile of scored CVEs.

Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.

Lifecycle

7 events over 1225 days, from the signal feeds we watch.

  1. OpenVAS check added
  2. Nuclei check added
  3. Patch availablerecord updated
  4. Added to CISA KEV
  5. Publishedweakness classified

Affected products

Technical detail

CVSS 3.1 vector

Open in the CVSS calculator

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

Scored 5.3 by NVD.

How it is reached

  • Attack Vector NetworkExploitable remotely over the network without any special conditions
  • Attack Complexity LowNo special conditions — the attack can be reliably reproduced
  • Privileges Required NoneNo authentication required — anyone can exploit this
  • User Interaction NoneNo user interaction needed — fully automated exploitation

Scope

  • Scope UnchangedImpact is limited to the vulnerable component itself

Impact if exploited

  • Confidentiality LowSome restricted information is disclosed, but limited in scope
  • Integrity NoneNo integrity impact
  • Availability NoneNo availability impact

Weaknesses

Sources

References in the record

And 1 more reference. See all after sign-in

Watch the software you run.

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We'll flag the next CVE, public exploit or patch for Joomla!, not every advisory. This one: actively exploited.