CVE-2017-20239: Dynalon Mdwiki

Medium severity, CVSS 6.1. EPSS: 0.3% chance of exploitation in the next 30 days.

MDwiki contains a cross-site scripting vulnerability that allows remote attackers to execute arbitrary JavaScript by injecting malicious code through the location hash parameter. Attackers can craft URLs with JavaScript payloads in the hash fragment that are parsed and rendered without sanitization, causing the injected scripts to execute in the victim's browser context.

Affected products

• Dynalon Mdwiki: version 0.6.2 only

Published 2026-04-12. Last modified 2026-06-17.