CVE-2025-7799Network attack vector

Unauthenticated script execution via reflected input

Published Feb 9, 2026 · Updated Feb 9, 2026

Reflected XSS in Zirve e-Mükellef through 07082025 allows remote attackers to execute script in a browser via crafted web input. The website reflects unneutralized request input into a generated page, but TR-CERT does not disclose the affected parameter, page, or code locus. Network access without authentication is sufficient; the public record does not identify the exposed application data or actions.

CVSS severity8.6
High
EPSS probability0.30%
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 Zirve e-Mükellef through 07082025 allows remote attackers to execute script in a browser via crafted web input. The website reflects unneutralized request input into a generated page, but TR-CERT does not disclose the affected parameter, page, or code locus. Network access without authentication is sufficient; the public record does not identify the exposed application data or actions.

The record

CVE
CVE-2025-7799
Published
Feb 9, 2026
Updated
Feb 9, 2026
Vendor
Zirve Bilgi Teknolojileri San. Tic. A.Ş.
Product
e-Mükellef
Classifications
CWE-79, CAPEC-591, T1059.007
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Feb 9, 2026CVE publishedPublication date reported by the CVE source.
  2. Feb 9, 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 <=07082025

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Zirve Bilgi Teknolojileri San. Tic. A.Ş. · e-Mükellefversion=0 <=07082025

Published CVSS scores

8.6TR-CERTCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/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 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
T1059.007JavaScript/JScript

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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