Security readout for executives and security teams
Plain-English summary
This is a broken access control issue in the WordPress Business Directory Plugin through version 6.3.9. A logged-in user may be able to perform actions they should not be authorized to perform, causing limited integrity or availability impact. The provided sources do not show active exploitation.
Executive priority
Treat as a moderate-priority WordPress plugin risk. Prioritize internet-facing sites, sites allowing public account creation, and sites where directory data supports business operations or customer trust.
Technical view
CVE-2023-51516 is CWE-862 Missing Authorization in Business Directory Team’s WordPress Business Directory Plugin. CVSS 3.1 is 5.4: network reachable, low complexity, low privileges required, no user interaction, with low integrity and availability impact. Affected scope is listed through 6.3.9.
Likely exposure
Exposure is most likely on WordPress sites running Business Directory Plugin version 6.3.9 or earlier, especially where untrusted users can authenticate. The bundle does not identify specific vulnerable endpoints or capabilities.
Exploitation context
The CVE is not listed as CISA KEV in the provided bundle, and no cited source states active exploitation. The CVSS vector indicates an attacker needs a low-privileged account but no user interaction.
Researcher notes
The public bundle confirms missing authorization but does not provide endpoint details, exploit prerequisites beyond PR:L, or a named fixed version. Avoid assuming unauthenticated impact or active exploitation without additional vendor evidence.
Mitigation direction
- Inventory WordPress sites for the business-directory-plugin package.
- Check vendor, WordPress.org, or Patchstack guidance for a fixed release.
- Upgrade beyond 6.3.9 only when vendor guidance confirms the fix.
- Limit untrusted user registration and plugin-related privileges until remediated.
- Monitor plugin activity for unexpected listing or configuration changes.
Validation and detection
- Confirm whether Business Directory Plugin is installed on each WordPress site.
- Record installed plugin versions and flag 6.3.9 or earlier.
- Review authenticated user roles that can access directory features.
- Check admin and application logs for unexpected directory changes.
- Track vendor advisories for endpoint-specific validation details.
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-862: 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-2023-51516 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
- 5.4 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
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:N/I:L/A:L2.82.5Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
5.4MediumVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
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.
Missing Authorization
Missing Authorization represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.