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CVE-2017-20239

MDwiki Cross-Site Scripting via Location Hash Parameter

MEDIUM
6.1
CVSS Score
Published: April 12, 2026 at 12:28 PM UTC
Updated: October 1, 2026 at 03:19 PM UTC
1 product affected across 1 vendorMDwiki

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Severity
MEDIUM6.1
Exploit prediction
EPSS 0.3%
SSVC
PoC

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

ExploitVDB Entry
Source: cverecord
https://www.exploit-db.com/exploits/46097
Third Party Advisory
Source: cverecord
https://www.vulncheck.com/advisories/mdwiki-cross-site-scripting-via-location-hash-parameter

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.1MEDIUMVulnCheck
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-79

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