Cyber Resilience

CVE-2025-69391

High

Published: 20 February 2026

Published
20 February 2026
Modified
15 April 2026
KEV Added
—
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-2025-69391 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-2025-69391 is an Improper Neutralization of Input During Web Page Generation vulnerability, classified as Reflected Cross-site Scripting (XSS) under CWE-79, in the GT3themes Diamond WordPress theme. This issue affects Diamond versions from an unspecified initial release through 2.4.8.

The vulnerability carries 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 network accessibility, low attack complexity, no privileges required, and user interaction needed for exploitation. Remote attackers can deliver malicious payloads via reflected inputs, tricking users into executing scripts in their browsers upon interaction, such as visiting a crafted URL. This enables limited impacts on confidentiality, integrity, and availability with a changed scope.

Patchstack provides details on this vulnerability in their database entry at https://patchstack.com/database/Wordpress/Theme/diamond/vulnerability/wordpress-diamond-theme-2-4-8-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve, which security practitioners should consult for mitigation guidance and patch information.

EU & UK References

Vulnerability details

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in GT3themes Diamond diamond allows Reflected XSS.This issue affects Diamond: from n/a through <= 2.4.8.

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 →
T1204.001 Malicious Link Execution
An adversary may rely upon a user clicking a malicious link in order to gain execution.
attack.mitre.org →
Why these techniques?

Reflected XSS in public-facing WordPress theme directly enables exploitation of web application via crafted malicious links requiring user interaction.

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

CVEs Like This One

CVE-2025-22765Shared CWE-79
CVE-2024-13885Shared CWE-79
CVE-2025-23645Shared CWE-79
CVE-2025-24017Shared CWE-79
CVE-2025-24544Shared CWE-79
CVE-2025-68037Shared CWE-79
CVE-2025-23725Shared CWE-79
CVE-2025-22357Shared CWE-79
CVE-2026-24955Shared CWE-79
CVE-2025-23834Shared CWE-79

Affected Assets

Mitigating Controls

Mitigating Controls (NIST 800-53 r5) AI

SI-10 Information Input Validation good match
prevent

Requires validation and sanitization of all web inputs to block the reflected XSS payloads that the Diamond theme fails to neutralize.

SI-15 Information Output Filtering good match
prevent

Mandates filtering or encoding of information outputs before rendering in browsers, directly preventing execution of attacker-supplied scripts via crafted URLs.

SI-3 Malicious Code Protection partial match
preventdetect

Provides mechanisms to detect and block malicious script code delivered through reflected inputs before it reaches user browsers.

References