CVE-2026-19223
High
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.
SeverityHigh
CVSS7.2
Exploit probability—
ProductSmush
PublishedAug 27, 2026
First seenAug 27, 2026
Weakness typeCWE-94Code injection
How to fix
Update
- Smush4.3.2 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Smush | 3.22.1 ≤ v < 4.3.2 | 4.3.2 |
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