What is GHSA-xwr4-4p99-jhp5?

GHSA-xwr4-4p99-jhp5 is a security advisory published by GitHub Security Advisories with High severity. The Ultimate Multisite WordPress plugin before 2.17.2 does not validate a user-supplied value...

Which CVE IDs does GHSA-xwr4-4p99-jhp5 cover?

GHSA-xwr4-4p99-jhp5 covers the following CVE IDs: CVE-2026-107508. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-xwr4-4p99-jhp5?

GHSA-xwr4-4p99-jhp5 has a CVSS v3 base score of 8.6, published by GitHub Security Advisories.

GHSA-xwr4-4p99-jhp5HighCVSS 8.6

The Ultimate Multisite WordPress plugin before 2.17.2 does not validate a user-supplied value...

Vendor

GitHub Security Advisories

Published

October 14, 2026

Last Modified

October 14, 2026

🔗 CVE IDs covered (1)

CVE-2026-107508 →

📋 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.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-107508
https://wpscan.com/vulnerability/2b2808d3-b3fc-41d4-8be5-82d222911bc6
https://github.com/advisories/GHSA-xwr4-4p99-jhp5