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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.

PUBLISHED Reserved 2026-04-12 | Published 2026-04-12 | Updated 2026-05-24 | Assigner VulnCheck




MEDIUM: 5.1CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
MEDIUM: 6.1CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Problem types

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Product status

0.6.2
affected

References

www.exploit-db.com/exploits/46097 (ExploitDB-46097) exploit

www.vulncheck.com/...e-scripting-via-location-hash-parameter (VulnCheck Advisory: MDwiki Cross-Site Scripting via Location Hash Parameter) third-party-advisory

cve.org (CVE-2017-20239)

nvd.nist.gov (CVE-2017-20239)

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