What is CVE-2024-12042?

CVE-2024-12042 is a medium-severity vulnerability in Inspireui Mstore API, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 5.4/10. Published 2024-12-13.

How severe is CVE-2024-12042?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Is CVE-2024-12042 known to be exploited?

3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Inspireui Mstore API

CVE-2024-12042

The MStore API – Create Native Android & iOS Apps On The Cloud plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the profile picture upload functionality in all versions up to, and including, 4.16.4 due to insufficient file type validation. This makes it possible for authenticated attackers, with subscriber-level access and above, to upload HTML files with arbitrary web scripts that will execute whenever a user accesses the file.

Vulnerability class: Unrestricted File Upload

Published 2024-12-13 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.003 (23.9th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 24th percentile — 23.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000

Affected products

Inspireui Mstore API
Inspireui Mstore API – Create Native Android & iOS Apps On The Cloud — versions 0

Weakness classification (CWE)

Public proof-of-concept exploits

References

www.wordfence.com/threat-intel/vulnerabilities/id/af468138-c10a-4f9b-b714-0425d… (Third Party Advisory)
plugins.trac.wordpress.org/browser/mstore-api/trunk/functions/index.php (Product)
plugins.trac.wordpress.org/changeset/3205338/mstore-api/trunk/functions/index.p… (Patch)

Frequently asked questions

What is CVE-2024-12042?: CVE-2024-12042 is a medium-severity vulnerability in Inspireui Mstore API, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 5.4/10. Published 2024-12-13.
How severe is CVE-2024-12042?: Medium severity. CVSS v3 base score is 5.4 out of 10.
Is CVE-2024-12042 known to be exploited?: 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.