What is CVE-2025-13471?

CVE-2025-13471 is a medium-severity vulnerability in User Activity Log, classified under CWE-639 AUTHORIZATION BYPASS THROUGH USER-CONTROLLED KEY. CVSS score: 5.3/10. Published 2026-01-28.

How severe is CVE-2025-13471?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in User Activity Log

CVE-2025-13471

The User Activity Log WordPress plugin through 2.2 does not properly handle failed login attempts in some cases, allowing unauthenticated users to set arbitrary options to 1 (for example to enable User Registration when it has been turned off)

Published 2026-01-28 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.003 (20.3th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 20th percentile — 20.3% 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

User Activity Log — versions 0

References

wpscan.com/vulnerability/cc8743f5-b1b9-4f88-b440-db044034bbfc/ (technical-description, exploit, vdb-entry)

Frequently asked questions

What is CVE-2025-13471?: CVE-2025-13471 is a medium-severity vulnerability in User Activity Log, classified under CWE-639 AUTHORIZATION BYPASS THROUGH USER-CONTROLLED KEY. CVSS score: 5.3/10. Published 2026-01-28.
How severe is CVE-2025-13471?: Medium severity. CVSS v3 base score is 5.3 out of 10.