Vulnerability · Published Aug 27, 2026 · Assigned by WPScan
CVE-2026-19223Smush < 4.3.2 - Admin+ Network-Wide RCE via Hub Connector on Multisite
High 7.2
In plain English
A high-severity code injection in Smush from Unknown. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 52% of all known vulnerabilities).
Severity (CVSS 3.1)7.2High
Exploit odds (30 days)0.7%top 48.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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 products (as reported)
Weakness: CWE-94 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
References
- https://wpscan.com/vulnerability/77187a44-9850-4b7e-a6c2-84de660f46a3/ exploit, vdb-entry, technical-description