CVE-2026-19223

Smush < 4.3.2 - Admin+ Network-Wide RCE via Hub Connector on Multisite

The Smush WordPress plugin before 4.3.2 does not restrict a network-wide setting to network administrators, allowing an administrator of any single site on a multisite network to execute arbitrary code across the entire network.

Affected

Smush

CVSS v3.1 CNA

7.2 HIGHCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

EPSS

0.36% chance of exploitation in the next 30 days, 28th percentile

Published

2026-08-27

Proof-of-concept exploits (1)

• https://wpscan.com/vulnerability/77187a44-9850-4b7e-a6c2-84de660f46a3/

References

• CVE Record
• NVD entry