CVE-2026-25013

High

Published: 25 March 2026

Published

25 March 2026

Modified

24 April 2026

KEV Added

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Patch

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CVSS Score v3.1 7.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

EPSS Score 0.0004 14.4th percentile

Risk Priority 14 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2026-25013 is a high-severity Cross-site Scripting (CWE-79) vulnerability. Its CVSS base score is 7.1 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 14.4th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

The strongest mitigations our analysis identified are NIST 800-53 SI-10 (Information Input Validation) and SI-15 (Information Output Filtering).

Deeper analysis

CVE-2026-25013 is an Improper Neutralization of Input During Web Page Generation vulnerability, classified as Reflected Cross-site Scripting (XSS) under CWE-79, in the Phox Hosting WordPress plugin. This issue affects Phox Hosting versions from n/a through 2.0.8 and was published on 2026-03-25.

The vulnerability has a CVSS v3.1 base score of 7.1 (AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L), indicating exploitation is possible remotely over the network by unauthenticated attackers with low complexity, though it requires user interaction such as clicking a malicious link. Successful exploitation enables attackers to inject malicious scripts into web pages viewed by victims, potentially leading to low impacts on confidentiality, integrity, and availability within a changed scope.

Mitigation details are available in advisories such as the Patchstack database entry at https://patchstack.com/database/Wordpress/Plugin/phox-host/vulnerability/wordpress-phox-hosting-plugin-2-0-8-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve.

EU & UK References

🇪🇺 ENISA EUVD: EUVD-2026-15615

Vulnerability details

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in WHMCSdes Phox Hosting phox-host allows Reflected XSS.This issue affects Phox Hosting: from n/a through <= 2.0.8.

CWE(s): CWE-79

Related Threats

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 →

T1059.007 JavaScript Execution

Adversaries may abuse various implementations of JavaScript for execution.

attack.mitre.org →

Why these techniques?

Reflected XSS in public-facing WordPress plugin directly enables remote exploitation of web application (T1190) and arbitrary JavaScript execution in victim browser context (T1059.007).

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