CVE-2026-19223highCWE-94

CVE-2026-19223: high-severity vulnerability in Smush

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

Published

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41Vexday Risk Score

No sign of exploitation. It has a public proof of concept.

ssvc Attendcvss 7.2epss 0.7%
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.
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Affected products
Unknown · Smush
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
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CVE-2026-110039LOWSmush < 4.3.4 - Admin+ Network-Wide Plugin Settings Update on MultisiteEPSS 0.2%