CVE-2023-3131: vulnerability in MStore API
MStore API < 3.9.7 - Subscriber+ Unauthorized Settings Update
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
3Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackepss 0.6%
The MStore API WordPress plugin before 3.9.7 does not secure most of its AJAX actions by implementing privilege checks, nonce checks, or a combination of both.
Affected products
Unknown · MStore APIRelated CVEs — MStore API
In the same product, most dangerous first.
CVE-2023-3077—MStore API < 3.9.8 - Unauthenticated Blind SQLiEPSS 5.5%CVE-2021-24148—MStore API < 3.2.0 - Authentication Bypass With Sign In With AppleEPSS 3.4%CVE-2023-3076—MStore API < 3.9.9 - Unauthenticated Privilege EscalationEPSS 2.2%CVE-2026-16038CRITICALMStore API < 4.21.0 - Unauthenticated Payment Bypass via Multiple Payment GatewaysEPSS 0.4%CVE-2026-16030HIGHMStore API < 4.21.0 - Unauthenticated Account Takeover via Firebase Phone AuthenticationEPSS 0.4%CVE-2026-16041HIGHMStore API < 4.21.0 - Unauthenticated Product Review CreationEPSS 0.4%