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CVE-2026-50591

Quick assessment

Affected
Znuny Znuny
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.

Znuny是Znuny公司的一个工单系统。 Znuny 7.3.3之前版本存在安全漏洞，该漏洞源于存储的用户偏好设置可能导致跨站脚本攻击。

CVSS 5.4 · Medium EPSS 0.23% · P12

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter

Affected Version Matrix 2

VendorProduct Version RangeStatus
Znuny Znuny 6.0.0< 6.5.21 affected
7.0.0< 7.3.3 affected
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I. Basic Information for CVE-2026-50591

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
In Znuny LTS before 6.5.21 and Znuny before 7.3.3, XSS can occur via stored user preferences.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/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
Znuny 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Znuny是Znuny公司的一个工单系统。 Znuny 7.3.3之前版本存在安全漏洞，该漏洞源于存储的用户偏好设置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
Znuny Znuny 6.0.0 ~ 6.5.21 -

II. Public POCs for CVE-2026-50591

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-50591

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Vendor Advisories for CVE-2026-50591 (1)

IV. Related Vulnerabilities

Same product: Znuny
Same vendor: Znuny
Same weakness: CWE-79

V. Comments for CVE-2026-50591

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