RCE in Wpmudev-Updates

CVE-2026-16051

The wpmudev-updates WordPress plugin before 5.0.1 does not verify the integrity of the packages installed through its remote management interface, nor protect those requests against replay, allowing an attacker able to obtain or replay a valid signed management request to install and execute arbitrary code (remote code execution).

Vulnerability class: RCE (Remote Code Execution)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.009 (56.7th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 57th percentile — 56.7% 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-2026-16051: held from 0.006 to 0.009.

EPSS over last 30 days · oldest: 0.006 · newest: 0.009 · change: +0.003

Affected products

  • Wpmudev-Updates — versions 0

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-16051?
CVE-2026-16051 is a critical-severity vulnerability in Wpmudev-Updates, classified under Code Injection. CVSS score: 9.8/10. Published 2026-08-12.
How severe is CVE-2026-16051?
Critical severity. CVSS v3 base score is 9.8 out of 10.