What is CVE-2025-15043?

CVE-2025-15043 is a medium-severity vulnerability in Stellarwp The Events Calendar, classified under Missing Authorization. CVSS score: 5.4/10. Published 2026-01-20.

How severe is CVE-2025-15043?

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

Auth bypass in Stellarwp The Events Calendar

CVE-2025-15043

The The Events Calendar plugin for WordPress is vulnerable to unauthorized access due to a missing capability check on the 'start_migration', 'cancel_migration', and 'revert_migration' functions in all versions up to, and including, 6.15.13. This makes it possible for authenticated attackers, with subscriber level access and above, to start, cancel, or revert the Custom Tables V1 database migration, including dropping the custom database tables entirely via the revert action.

Vulnerability class: Broken Access Control

EPSS: 0.002 (8.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

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

Affected products

Stellarwp The Events Calendar — versions 0

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

Frequently asked questions

What is CVE-2025-15043?: CVE-2025-15043 is a medium-severity vulnerability in Stellarwp The Events Calendar, classified under Missing Authorization. CVSS score: 5.4/10. Published 2026-01-20.
How severe is CVE-2025-15043?: Medium severity. CVSS v3 base score is 5.4 out of 10.