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CVE-2023-2732

MStore API <= 3.9.2 - Authentication Bypass

9.8 CriticalPublic exploit

The MStore API plugin for WordPress is vulnerable to authentication bypass in versions up to, and including, 3.9.2. This is due to insufficient verification on the user being supplied during the add listing REST API request through the plugin. This makes it possible for unauthenticated attackers to log in as any existing user on the site, such as an administrator, if they have access to the user id.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

67.3%Up 67.2 points since May 25, 2023
90%50%10%1%

What each source reports

CVE List Score used 9.8

MStore API <= 3.9.2 - Authentication Bypass

The MStore API plugin for WordPress is vulnerable to authentication bypass in versions up to, and including, 3.9.2. This is due to insufficient verification on the user being supplied during the add listing REST API request through the plugin. This makes it possible for unauthenticated attackers to log in as any existing user on the site, such as an administrator, if they have access to the user id.

Record
CVE-2023-2732
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-288
Updated
2026-11-02
EUVDEUVD-2023-34193 9.8

The MStore API plugin for WordPress is vulnerable to authentication bypass in versions up to, and including, 3.9.2. This is due to insufficient verification on the user being supplied during the add listing REST API request through the plugin. This makes it possible for unauthenticated attackers to log in as any existing user on the site, such as an administrator, if they have access to the user id.

Record
EUVD-2023-34193
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
GitHub AdvisoriesGHSA-q639-qhhx-5j5j 9.8

The MStore API plugin for WordPress is vulnerable to authentication bypass in versions up to, and...

The MStore API plugin for WordPress is vulnerable to authentication bypass in versions up to, and including, 3.9.2. This is due to insufficient verification on the user being supplied during the add listing REST API request through the plugin. This makes it possible for unauthenticated attackers to log in as any existing user on the site, such as an administrator, if they have access to the user id.

Record
GHSA-q639-qhhx-5j5j
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-288
Updated
2026-11-02
NVD 9.8

The MStore API plugin for WordPress is vulnerable to authentication bypass in versions up to, and including, 3.9.2. This is due to insufficient verification on the user being supplied during the add listing REST API request through the plugin. This makes it possible for unauthenticated attackers to log in as any existing user on the site, such as an administrator, if they have access to the user id.

Record
CVE-2023-2732
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-288
Updated
2026-11-02

Affected products

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
SourceLinkDate
NucleiMStore API <= 3.9.2 - Authentication Bypass
PoC in GitHubAp0dexMe0/CVE-2023-27322023-08-05
PoC in GitHubJenderal92/WP-CVE-2023-27322023-06-06
PoC in GitHubRandomRobbieBF/CVE-2023-27322023-05-25

History

History
RecordedChangedSources
first indexedCVE List, EUVD, GitHub Advisories, Nuclei, NVD, PoC in GitHub

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-2732 is a critical vulnerability (CVSS 9.8) in Inspireui Mstore Api, published May 25, 2023. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 67.3%, the 99th percentile. No source names a fixed version.

References

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