What is CVE-2025-15489?

CVE-2025-15489 is a medium-severity vulnerability in Passster, classified under Incorrect Authorization. CVSS score: 5.3/10. Published 2026-09-02.

How severe is CVE-2025-15489?

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

Auth bypass in Passster

CVE-2025-15489

The Passster WordPress plugin before 4.2.24 does not handle input properly in an AJAX action, allowing unauthenticated users to retrieve the value of password protected content

Vulnerability class: Broken Access Control

Published 2026-09-02 · last modified 2026-09-03.

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: 0.002 (8.4th percentile), scored 2026-10-18.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 8th percentile — 8.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Passster

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

wpscan.com/vulnerability/b1b4f64a-5bff-486e-a3e5-e71b5ca28d78/ (technical-description, exploit, vdb-entry)

Frequently asked questions

What is CVE-2025-15489?: CVE-2025-15489 is a medium-severity vulnerability in Passster, classified under Incorrect Authorization. CVSS score: 5.3/10. Published 2026-09-02.
How severe is CVE-2025-15489?: Medium severity. CVSS v3 base score is 5.3 out of 10.