Auth bypass in Bigmaster Payaza

CVE-2025-12355

The Payaza plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'wp_ajax_nopriv_update_order_status' AJAX endpoint in all versions up to, and including, 0.3.8. This makes it possible for unauthenticated attackers to update order statuses.

Vulnerability class: Broken Access Control

Published · last modified .

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:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.002 (11.8th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 12th percentile — 11.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-12355: held from 0.002 to 0.002.

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

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-12355?
CVE-2025-12355 is a medium-severity vulnerability in Bigmaster Payaza, classified under Missing Authorization. CVSS score: 5.3/10. Published 2025-12-05.
How severe is CVE-2025-12355?
Medium severity. CVSS v3 base score is 5.3 out of 10.