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

Quick assessment

Affected
Dynalon MDwiki
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Dynalon MDwiki是Dynalon开源的一个基于Markdown构建内容展示与文档管理的轻量级Wiki系统。 Dynalon MDwiki存在跨站脚本漏洞，该漏洞源于对location hash参数注入恶意代码清理不足，可能导致远程攻击者执行任意JavaScript。

CVSS 6.1 · Medium EPSS 0.27% · P18

Possible ATT&CK Techniques 1 AI

T1189 · Drive-by Compromise

Affected Version Matrix 1

VendorProduct Version RangeStatus
Dynalon MDwiki 0.6.2 affected
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I. Basic Information for CVE-2017-20239

Vulnerability Information
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Vulnerability Title
MDwiki Cross-Site Scripting via Location Hash Parameter
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
Dynalon MDwiki 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Dynalon MDwiki是Dynalon开源的一个基于Markdown构建内容展示与文档管理的轻量级Wiki系统。 Dynalon MDwiki存在跨站脚本漏洞，该漏洞源于对location hash参数注入恶意代码清理不足，可能导致远程攻击者执行任意JavaScript。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Dynalon MDwiki 0.6.2 -

II. Public POCs for CVE-2017-20239

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III. Intelligence Information for CVE-2017-20239

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IV. Related Vulnerabilities

Same weakness: CWE-79

V. Comments for CVE-2017-20239

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