Vulnerability · Published Oct 16, 2026 · Assigned by WPScan
CVE-2026-110039Smush < 4.3.4 - Admin+ Network-Wide Plugin Settings Update on Multisite
Low 2.7
In plain English
A low-severity incorrect authorization 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 0.2% (higher than 11% of all known vulnerabilities).
Severity (CVSS 3.1)2.7Low
Exploit odds (30 days)0.2%top 89.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
The Smush WordPress plugin before 4.3.4 does not restrict changes to a network-wide access setting to network administrators, allowing an administrator of a single site on a multisite network to change it for the entire network.
Affected products (as reported)
Weakness: CWE-863 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N
References
- https://wpscan.com/vulnerability/4f27b2fd-1b27-4274-85c5-f19e6998aa44/ exploit, vdb-entry, technical-description