Security readout for executives and security teams
Plain-English summary
This Joomla issue lets a logged-in user who is not a super administrator access the action logs component. The likely business impact is unauthorized visibility into administrative activity, not direct system takeover or data destruction based on the provided CVSS and description.
Executive priority
Treat this as a scheduled security update, not an emergency outage event. Prioritize internet-facing Joomla sites and environments with many backend users or third-party administrators.
Technical view
CVE-2023-23751 is a missing authorization check in Joomla com_actionlogs, classified as CWE-863. It is network reachable, requires low privileges, needs no user interaction, and has low confidentiality impact with no integrity or availability impact in the supplied CVSS vector.
Likely exposure
Organizations running Joomla CMS 4.x in the affected range are the primary exposure. The bundle lists 4.0.0-4.2.6, while the description says through 4.2.4, so teams should confirm exact affected versions against Joomla guidance.
Exploitation context
The source bundle does not identify active exploitation, and the CVE is not listed as KEV. Exploitation requires an authenticated non super-admin user, limiting broad internet drive-by risk but still mattering where many staff, vendors, or compromised accounts have backend access.
Researcher notes
The main uncertainty is version scope: the bundle includes both through 4.2.4 and 4.0.0-4.2.6. Analysis should preserve that discrepancy and avoid stronger exploitation claims without KEV or vendor evidence.
Mitigation direction
- Check Joomla's advisory for the corrected release and upgrade affected Joomla 4.x sites.
- Review backend user roles and remove unnecessary administrative access.
- Restrict access to Joomla administrator interfaces where operationally feasible.
- Monitor vendor guidance for any version-range clarification.
Validation and detection
- Inventory Joomla CMS versions across public and internal sites.
- Identify users with backend access below super administrator level.
- Confirm affected sites no longer run versions in Joomla's vulnerable range.
- Review action log access permissions after updating.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-863: Authorization and privilege behavior lookup
Authorization weaknesses can support privilege escalation and valid-account review, depending on exploit path. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2023-23751 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 4.3 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N2.81.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
4.3MediumVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://developer.joomla.org/security-centre/891-20230102-core-missing-acl-checks-for-com-actionlogs.htmlCVE reference · vendor-advisory
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Incorrect Authorization
Incorrect Authorization represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.