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CVE WatchAug 30, 2026

CVE-2026-81766

The Really Simple Security WordPress plugin before 9.8.0 does not check that the user is allowed to install Really Simple Security WordPre

CVSS

—

No CVSS

EPSS

0.1%

p4

KEV

—

Exploit Today

1

0-100

Published: Aug 30, 2026 · Last modified: Aug 30, 2026

EPSS · 30d

Not enough EPSS history yet.

Technical description

The Really Simple Security WordPress plugin before 9.8.0 does not check that the user is allowed to install Really Simple Security WordPress plugin before 9.8.0 before installing one from a user-supplied URL, allowing an administrator of a subsite on a multisite network to install and execute arbitrary code in the network-shared Really Simple Security WordPress plugin before 9.8.0 directory, which WordPress otherwise reserves to the network administrator. Exploitation requires the network administrator to have enabled the Really Simple Security WordPress plugin before 9.8.0 administration menu for subsites, which is not the default.

Official references
Related CVEs

No related CVEs by CWE or product.