8.6
High
CVE-2026-107508 The Ultimate Multisite WordPress plugin before 2.17.2 does not validate a user-supplied value used to select a file…
Description
The Ultimate Multisite WordPress plugin before 2.17.2 does not validate a user-supplied value used to select a file to include, allowing unauthenticated attackers to include and read arbitrary local files, including the WordPress configuration file.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Ultimate Multisite 2.17 | earliest → < 2.17.2 | 2.17.2 |