CVE-2026-5783Network attack vector

Reflected XSS through undisclosed web input

Published May 20, 2026 · Updated May 20, 2026

Reflected XSS in Beyaz Yazılım CityPlus before V24.29750.1.0 allows remote attackers to execute script through crafted web input. The publisher has not identified the affected endpoint, parameter, or server-side operation that reflects untrusted input into a generated page. The published assessment requires user interaction and reports confidentiality, integrity, and availability effects without describing the concrete outcome.

CVSS severity7.6
High
EPSS probability0.22%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Reflected XSS in Beyaz Yazılım CityPlus before V24.29750.1.0 allows remote attackers to execute script through crafted web input. The publisher has not identified the affected endpoint, parameter, or server-side operation that reflects untrusted input into a generated page. The published assessment requires user interaction and reports confidentiality, integrity, and availability effects without describing the concrete outcome.

The record

CVE
CVE-2026-5783
Published
May 20, 2026
Updated
May 20, 2026
Vendor
Beyaz Yazılım
Product
CityPlus
Classifications
CWE-79
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. May 20, 2026CVE publishedPublication date reported by the CVE source.
  2. May 20, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <V24.29750.1.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Beyaz Yazılım · CityPlusversion=0 <V24.29750.1.0

Published CVSS scores

7.6Computer Emergency Response Team of the Republic of TurkeyCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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