CVE-2023-3076 json
MStore API < 3.9.9 - Unauthenticated Privilege Escalation
published 2023-07-10 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-43767
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.2%
- EPSS 2.2% chance of exploitation in 30 days, percentile 82%
- public exploits
- 0
- none known
Summary
The MStore API WordPress plugin before 3.9.9 does not prevent visitors from creating user accounts with the role of their choice via their wholesale REST API endpoint. This is only exploitable if the site owner paid to access the plugin's pro features.
Patch / fix
- Unknown MStore API 3.9.9
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- yes
- Technical impact
- total
- Assessed
- 23 mo ago
Exploit prediction
2.17% chance of exploitation in the next 30 days, higher than 82% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- wpscan.com https://wpscan.com/vulnerability/ac662436-29d7-4ea6-84e1-f9e229b44f5b referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected products
- Unknown MStore API
Classification
- Weakness
-
- CWE-862 Missing Authorization
- Technology feeds
References
-
wpscan.com
/vulnerability/ac662436-29d7-4ea6-84e1-f9e229b44f5b
exploit, vdb-entry, technical-description, third-party-advisory
Sources
- CVE List CVE-2023-3076
- NVD CVE-2023-3076
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.