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CVE-2026-16618

Description

The Improve SEO WordPress plugin through 2.0.11 does not properly validate uploaded files, checking only the file content type while writing the file with the attacker-supplied extension into a publicly accessible directory, allowing unauthenticated users to upload executable PHP files and achieve remote code execution.

CVSS 9.8EPSS 0.462%Risk 1.02
View source
Published
2026-08-04 07:16:30
Last modified
2026-08-04 18:16:47
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H