CVE-2025-8664Network attack vector

Browser-context script execution requiring user interaction

Published Sep 19, 2025 · Updated Sep 19, 2025

Cross-site scripting in Saysis StarCities E-Belediye Yönetimi before 20250825 allows remote attackers to execute script in users' browsers. The Turkish CNA identifies improper neutralization during web-page generation but does not disclose the affected route, input, output context, or whether the payload is stored or reflected. Exploitation requires user interaction and runs attacker-supplied script in the affected site's browser context; no server-side code execution is reported.

CVSS severity6.3
Medium
EPSS probability0.25%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Cross-site scripting in Saysis StarCities E-Belediye Yönetimi before 20250825 allows remote attackers to execute script in users' browsers. The Turkish CNA identifies improper neutralization during web-page generation but does not disclose the affected route, input, output context, or whether the payload is stored or reflected. Exploitation requires user interaction and runs attacker-supplied script in the affected site's browser context; no server-side code execution is reported.

The record

CVE
CVE-2025-8664
Published
Sep 19, 2025
Updated
Sep 19, 2025
Vendor
Saysis
Product
StarCities E-Belediye Yönetimi
Classifications
CWE-79
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Sep 19, 2025CVE publishedPublication date reported by the CVE source.
  2. Sep 19, 2025Record 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 <20250825

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Saysis · StarCities E-Belediye Yönetimiversion=0 <20250825

Published CVSS scores

6.3Computer 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:L

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 9, 2026Sep 15, 2026
Latest reporting daySep 15, 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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