Security readout for executives and security teams
Plain-English summary
CVE-2023-3076 affects the MStore API WordPress plugin before 3.9.9. On sites with paid pro features, unauthenticated visitors could create accounts with a role they choose, potentially gaining elevated site access. Exposure appears limited to installations using the vulnerable pro wholesale functionality.
Executive priority
Prioritize affected public WordPress sites because successful abuse could create privileged users without authentication. The business urgency is highest for sites using the paid pro feature; otherwise exposure is not supported by the provided evidence.
Technical view
The plugin failed to prevent unauthenticated role selection through its wholesale REST API account-creation path. The public description maps this to CWE-862, missing authorization. The bundle provides no CVSS score and no CISA KEV listing.
Likely exposure
WordPress sites running MStore API before 3.9.9 are the concern, but only where the site owner paid for and enabled the plugin's pro features tied to the wholesale endpoint.
Exploitation context
WPScan lists a public vulnerability entry tagged exploit, but the provided sources do not show CISA KEV listing or confirmed active exploitation. Treat internet-exposed WordPress sites as higher priority because the issue is unauthenticated.
Researcher notes
Evidence is concise and mostly from CVE and WPScan records. The affected product metadata is sparse, with vendor unknown and no CVSS provided. Do not assume broader MStore products or non-pro deployments are affected without confirming plugin behavior.
Mitigation direction
- Upgrade MStore API to version 3.9.9 or later where available.
- If upgrade is unavailable, disable the plugin or affected pro wholesale functionality.
- Review vendor guidance before re-enabling the affected feature.
- Audit recently created WordPress users and assigned roles.
Validation and detection
- Confirm whether MStore API is installed and its exact version.
- Verify whether paid pro features and wholesale REST functionality are enabled.
- Review WordPress user accounts created during the exposure window.
- Check logs for unauthenticated account creation attempts against wholesale API routes.
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 lookupPrivilege behavior lookup
The CVE wording references privilege impact, so privilege escalation and authorization behavior review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2023-3076 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
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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 and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://wpscan.com/vulnerability/ac662436-29d7-4ea6-84e1-f9e229b44f5bCVE reference · exploit, vdb-entry
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.