CVE-2026-110039
Smush < 4.3.4 - Admin+ Network-Wide Plugin Settings Update on Multisite
Unknown Smush
CVSS
2.7LowExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.21%Chance of exploitation activity in the next 30 days, higher than 9% of CVEs. Scored 23 Oct 2026FIRST EPSS
What fixes it
- 4.3.4SmushCVE List
A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.
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.
Text from CVE List
Affected versions 1
- Smushaffected: all versions before 4.3.4CVE List