CVE-2017-20239
MDwiki Cross-Site Scripting via Location Hash Parameter
- State
- Published
- Severity
- 5.1 Medium
- Published
- Apr 12, 2026
- Updated
- Oct 1, 2026
- Reserved
- Apr 12, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 5.1 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N | VulnCheck |
| 3.1 | 6.1 Medium | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N | VulnCheck |
Weaknesses
- CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected Products
| Product | Versions |
|---|---|
MDwikiDynalon |
|
References
- ExploitDB-46097exploit
- VulnCheck Advisory: MDwiki Cross-Site Scripting via Location Hash Parameterthird-party-advisory
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