CVE-2023-3202 | MStore API <= 3.9.6 - Cross-Site Request Forgery to Firebase Server Key Update

The MStore API plugin for WordPress is vulnerable to Cross-Site Request Forgery due to missing nonce validation on the mstore_update_firebase_server_key function. This makes it possible for unauthenticated attackers to update the firebase server key to push notification when order status changed via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

Published: 2023-07-12 Last update: 2026-04-08 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2023-3202 is rated Low Risk (26.2/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.09%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2023-3202

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-04-15 0.28% 0.09% -0.19%
2 2025-03-30 0.41% 0.28% -0.13%
3 2025-03-29 0.41%

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2023-3202

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.3 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:L)
Attackers could change some data, but it’s limited—not everything goes.
Availability (A:N)
Service keeps running; no real outage angle.
2.8 1.4 [email protected]

Weakness enumeration for CVE-2023-3202

Affected software / configurations for CVE-2023-3202

Vendor Product Version Raw CPE
inspireui mstore_api <= 3.9.6 cpe:2.3:a:inspireui:mstore_api:*:*:*:*:*:wordpress:*:*

References for CVE-2023-3202

cvelogic Threat Intelligence