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CVE-2026-4845— dameng100 muucmf index.html cross site scripting

Quick assessment

Affected
dameng100 muucmf
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.

MuuCmf是中国火木科技（dameng100）开源的一个应用开发框架。 muucmf 1.9.5.20260309版本存在代码注入漏洞，该漏洞源于对文件/admin/Member/index.html中参数Search的错误操作，可能导致跨站脚本攻击。

CVSS 4.3 · Medium EPSS 0.45% · P38

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2026-4845

Vulnerability Information
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Vulnerability Title
dameng100 muucmf index.html cross site scripting
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw has been found in dameng100 muucmf 1.9.5.20260309. Impacted is an unknown function of the file /admin/Member/index.html. This manipulation of the argument Search causes cross site scripting. It is possible to initiate the attack remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/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
MuuCmf 代码注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MuuCmf是中国火木科技（dameng100）开源的一个应用开发框架。 muucmf 1.9.5.20260309版本存在代码注入漏洞，该漏洞源于对文件/admin/Member/index.html中参数Search的错误操作，可能导致跨站脚本攻击。
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
dameng100 muucmf 1.9.5.20260309 -

II. Public POCs for CVE-2026-4845

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III. Intelligence Information for CVE-2026-4845

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Vendor Advisories for CVE-2026-4845 (2)

Security Blog Posts for CVE-2026-4845 (1)

Same Patch Batch · dameng100 · 2026-03-26 · 4 CVEs total

CVE-2026-4846 4.3 MEDIUM dameng100 muucmf autoReply.html cross site scripting
CVE-2026-4847 4.3 MEDIUM dameng100 muucmf list.html cross site scripting
CVE-2026-4848 4.3 MEDIUM dameng100 muucmf list.html cross site scripting

IV. Related Vulnerabilities

Same product: muucmf
Same vendor: dameng100
Same weakness: CWE-79

V. Comments for CVE-2026-4845

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