What is GHSA-62v2-7mcm-qpm4?

GHSA-62v2-7mcm-qpm4 is a security advisory published by GitHub Security Advisories with Critical severity. The Improve SEO WordPress plugin through 2.0.11 does not properly validate uploaded files,...

Which CVE IDs does GHSA-62v2-7mcm-qpm4 cover?

GHSA-62v2-7mcm-qpm4 covers the following CVE IDs: CVE-2026-16618. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-62v2-7mcm-qpm4?

GHSA-62v2-7mcm-qpm4 has a CVSS v3 base score of 9.8, published by GitHub Security Advisories.

GHSA-62v2-7mcm-qpm4CriticalCVSS 9.8

The Improve SEO WordPress plugin through 2.0.11 does not properly validate uploaded files,...

Vendor

GitHub Security Advisories

Published

August 4, 2026

Last Modified

August 4, 2026

🔗 CVE IDs covered (1)

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.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-16618
https://wpscan.com/vulnerability/3754d4c0-1b67-49a4-a29a-7169446638d1
https://github.com/advisories/GHSA-62v2-7mcm-qpm4