Auth bypass in Malcure Malware Shield — Removal, Repair, Monitor

CVE-2026-96896

The Malcure Malware Shield — Removal, Repair, Monitor WordPress plugin before 19.9.7 does not perform an authorisation check on one of its AJAX actions, allowing users with a subsite administrator role on a multisite network to write and delete arbitrary files in the network's shared filesystem, which can lead to remote code execution.

Vulnerability class: Broken Access Control

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.004 (32.3th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 32nd percentile — 32.3% 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-2026-96896: held from 0.004 to 0.004.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: -0.000

Affected products

  • Malcure Malware Shield — Removal, Repair, Monitor

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-96896?
CVE-2026-96896 is a high-severity vulnerability in Malcure Malware Shield — Removal, Repair, Monitor, classified under Missing Authorization. CVSS score: 7.2/10. Published 2026-09-27.
How severe is CVE-2026-96896?
High severity. CVSS v3 base score is 7.2 out of 10.