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CVE-2026-5783— Reflected XSS in Beyaz Computer's CityPLus

Quick assessment

Affected
Beyaz Computer Software Design Industry and Trade Ltd. Co. CityPLus
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.

Beyaz CityPLus是土耳其Beyaz公司的一套综合管理信息系统。 Beyaz CityPLus V24.29750.1.0之前版本存在跨站脚本漏洞，该漏洞源于网页生成过程中输入中和不当，可能导致反射型跨站脚本攻击。

CVSS 7.6 · High EPSS 0.29% · P20

Possible ATT&CK Techniques 1 AI

T1189 · Drive-by Compromise

Affected Version Matrix 1

VendorProduct Version RangeStatus
Beyaz Computer Software Design Industry and Trade Ltd. Co. CityPLus < V24.29750.1.0 affected
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I. Basic Information for CVE-2026-5783

Vulnerability Information
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Vulnerability Title
Reflected XSS in Beyaz Computer's CityPLus
Source: CVE Program / CVE List V5
Vulnerability Description
Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Beyaz Computer Software Design Industry and Trade Ltd. Co. CityPLus allows Reflected XSS. This issue affects CityPLus: before V24.29750.1.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H
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
Beyaz CityPLus 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Beyaz CityPLus是土耳其Beyaz公司的一套综合管理信息系统。 Beyaz CityPLus V24.29750.1.0之前版本存在跨站脚本漏洞，该漏洞源于网页生成过程中输入中和不当，可能导致反射型跨站脚本攻击。
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
Beyaz Computer Software Design Industry and Trade Ltd. Co. CityPLus 0 ~ V24.29750.1.0 -

II. Public POCs for CVE-2026-5783

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III. Intelligence Information for CVE-2026-5783

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Vendor Advisories for CVE-2026-5783 (1)

IV. Related Vulnerabilities

Same product: CityPLus
Same weakness: CWE-79

V. Comments for CVE-2026-5783

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