What’s Vulnerable › Vulnerabilities

CVE-2017-20239: MDwiki Cross-Site Scripting via Location Hash Parameter

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-04-12 · updated 2026-06-17
• Weakness: CWE-79

Description

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: 0.6.2

References

• https://www.exploit-db.com/exploits/46097
• https://www.vulncheck.com/advisories/mdwiki-cross-site-scripting-via-location-hash-parameter

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