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CVE-2026-41877— Stored XSS in R-SOFT DMS

Quick assessment

Affected
R-SOFT SERWIS DMS
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.

R-SOFT SERWIS DMS是R-SOFT SERWIS公司的一款应用服务器产品。 R-SOFT SERWIS DMS v3.19-2832之前版本和v3.17-2580之前版本存在跨站脚本漏洞，该漏洞源于文件上传功能存在存储型跨站脚本漏洞，经过身份验证的攻击者可以将任意HTML和JS注入到正在上传的文件名中，当其他用户访问文件列表或上传状态时将会执行。

AI Predicted 6.1 Difficulty: Easy EPSS 0.39% · P31

Possible ATT&CK Techniques 1 AI

T1189 · Drive-by Compromise

Affected Version Matrix 2

VendorProduct Version RangeStatus
R-SOFT SERWIS DMS < v3.19-2832 affected
< v3.17-2580 affected
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I. Basic Information for CVE-2026-41877

Vulnerability Information
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Vulnerability Title
Stored XSS in R-SOFT DMS
Source: CVE Program / CVE List V5
Vulnerability Description
R-SOFT DMS is vulnerable to Stored XSS in file upload functionality. Authenticated attacker can inject arbitrary HTML and JS into the name of the file being uploaded, which will be executed when visiting file list or upload status by other users. This issue was fixed in version v3.19-2832 and v3.17-2580.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:L/SI:L/SA: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
R-SOFT SERWIS DMS 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
R-SOFT SERWIS DMS是R-SOFT SERWIS公司的一款应用服务器产品。 R-SOFT SERWIS DMS v3.19-2832之前版本和v3.17-2580之前版本存在跨站脚本漏洞，该漏洞源于文件上传功能存在存储型跨站脚本漏洞，经过身份验证的攻击者可以将任意HTML和JS注入到正在上传的文件名中，当其他用户访问文件列表或上传状态时将会执行。
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
R-SOFT SERWIS DMS 0 ~ v3.19-2832 -

II. Public POCs for CVE-2026-41877

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III. Intelligence Information for CVE-2026-41877

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Security Blog Posts for CVE-2026-41877 (1)

Same Patch Batch · R-SOFT SERWIS · 2026-07-10 · 5 CVEs total

CVE-2026-41878 Insecure Direct Object Reference in R-SOFT DMS
CVE-2026-41880 OS Command Injection in R-SOFT DMS
CVE-2026-41879 Weak password hashing in R-SOFT DMS
CVE-2026-41876 OS Command Injection in R-SOFT DMS

IV. Related Vulnerabilities

Same product: DMS
Same vendor: R-SOFT SERWIS
Same weakness: CWE-79

V. Comments for CVE-2026-41877

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