CVE-2026-5800Network attack vector

Reflected script execution through generated page output

Published Aug 28, 2026 · Updated Aug 28, 2026

Reflected XSS in Daynex E-Ticaret Sistemleri through 28082026 allows remote attackers to execute script through crafted web requests. The government advisory does not identify the affected endpoint or parameter, disclosing only improper neutralization during generated-page output. Exploitation requires a victim to open an attacker-crafted request; the script then runs in the platform's origin and can read or alter browser-accessible data.

CVSS severity6.1
Medium
EPSS probability0.15%
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 Daynex E-Ticaret Sistemleri through 28082026 allows remote attackers to execute script through crafted web requests. The government advisory does not identify the affected endpoint or parameter, disclosing only improper neutralization during generated-page output. Exploitation requires a victim to open an attacker-crafted request; the script then runs in the platform's origin and can read or alter browser-accessible data.

The record

CVE
CVE-2026-5800
Published
Aug 28, 2026
Updated
Aug 28, 2026
Vendor
Dayneks Yazılım Sanayi ve Ticaret A.Ş.
Product
Daynex E-Ticaret Sistemleri
Classifications
CWE-79, CAPEC-591, T1204.001
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Aug 28, 2026CVE publishedPublication date reported by the CVE source.
  2. Aug 28, 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 <=28082026

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Dayneks Yazılım Sanayi ve Ticaret A.Ş. · Daynex E-Ticaret Sistemleriversion=0 <=28082026

Published CVSS scores

6.1TR-CERTCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

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')
CAPEC-591Reflected XSS
T1204.001Malicious Link

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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