CVE-2025-8456

High

Published: 03 February 2026

Published

03 February 2026

Modified

15 April 2026

KEV Added

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Patch

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CVSS Score 7.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H

EPSS Score 0.0005 14.3th percentile

Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-8456 is a high-severity Cross-site Scripting (CWE-79) vulnerability in Gov (inferred from references). Its CVSS base score is 7.6 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 14.3th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

Threat & Defense at a Glance

What attackers do: exploitation maps to Exploit Public-Facing Application (T1190).

Threat & Defense Details

Likely Mitigating ControlsAI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

CA-8 Penetration Testing

addresses: CWE-79

Penetration testing submits XSS payloads to web applications, detecting cross-site scripting flaws for subsequent remediation.

SI-10 Information Input Validation

addresses: CWE-79

Validates web inputs to reject script-related content that could produce XSS.

SI-15 Information Output Filtering

addresses: CWE-79

Output validation against expected content can reject or sanitize script content in generated web pages, reducing XSS exploitability.

MITRE ATT&CK Enterprise TechniquesAI

T1190 Exploit Public-Facing Application Initial Access

Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.

attack.mitre.org →

Why these techniques?

Reflected XSS in public-facing web app directly enables exploitation of the vulnerable application for initial access or client-side effects.

Confidence: HIGH · MITRE ATT&CK Enterprise v18.1

NVD Description

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Kod8 Software Technologies Trade Ltd. Co. Kod8 Individual and SME Website allows Reflected XSS.This issue affects Kod8 Individual and SME Website: through 03022026. NOTE: The vendor…

was contacted early about this disclosure but did not respond in any way.

Deeper analysisAI

CVE-2025-8456 is an Improper Neutralization of Input During Web Page Generation vulnerability, enabling Reflected Cross-site Scripting (XSS), classified under CWE-79. It affects Kod8 Software Technologies Trade Ltd. Co.'s Kod8 Individual and SME Website through version 03022026.

The vulnerability carries a CVSS v3.1 base score of 7.6 (AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H), indicating exploitation is possible over the network with low attack complexity, no privileges required, but necessitating user interaction and maintaining unchanged scope. Remote attackers can deliver malicious payloads via reflected inputs, potentially leading to limited confidentiality and integrity impacts alongside high availability disruption in the victim's browser context.

An advisory detailing the issue is published by USOM at https://www.usom.gov.tr/bildirim/tr-26-0012. No patches or vendor response are available, as the vendor was contacted early about the disclosure but did not reply.