What is GHSA-mg54-xc87-q8w3?

GHSA-mg54-xc87-q8w3 is a security advisory published by GitHub Security Advisories with Medium severity. The Nexter Blocks WordPress plugin before 5.0.2 does not sanitize uploaded SVG files and allows...

Which CVE IDs does GHSA-mg54-xc87-q8w3 cover?

GHSA-mg54-xc87-q8w3 covers the following CVE IDs: CVE-2025-15678. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-mg54-xc87-q8w3?

GHSA-mg54-xc87-q8w3 has a CVSS v3 base score of 6.1, published by GitHub Security Advisories.

GHSA-mg54-xc87-q8w3MediumCVSS 6.1

The Nexter Blocks WordPress plugin before 5.0.2 does not sanitize uploaded SVG files and allows...

Vendor

GitHub Security Advisories

Published

August 6, 2026

Last Modified

August 6, 2026

🔗 CVE IDs covered (1)

CVE-2025-15678 →

📋 Description

The Nexter Blocks WordPress plugin before 5.0.2 does not sanitize uploaded SVG files and allows SVG uploads for any user able to upload files (Author by default), allowing them to upload a file containing malicious JavaScript that executes when the file is accessed, leading to Stored Cross-Site Scripting.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2025-15678
https://wpscan.com/vulnerability/2405c1ef-844a-462b-8329-c09d33b255b2
https://github.com/advisories/GHSA-mg54-xc87-q8w3