Auth bypass in Wpxpo Postx

CVE-2025-54751

Missing Authorization vulnerability in WPXPO PostX ultimate-post allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects PostX: from n/a through <= 4.1.36.

Vulnerability class: Broken Access Control

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N.

EPSS exploit prediction

EPSS: 0.003 (14.8th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 15th percentile — 14.8% 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-2025-54751: held from 0.002 to 0.003.

EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-54751?
CVE-2025-54751 is a high-severity vulnerability in Wpxpo Postx, classified under Missing Authorization. CVSS score: 7.1/10. Published 2025-12-18.
How severe is CVE-2025-54751?
High severity. CVSS v3 base score is 7.1 out of 10.