CVE-2025-23704

High

Published: 26 March 2025

Published

26 March 2025

Modified

23 April 2026

KEV Added

—

Patch

—

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 0.0027 50.3th percentile

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

Summary

CVE-2025-23704 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 in the top 49.7% of CVEs by exploit likelihood; 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-2025-23704 is an Improper Neutralization of Input During Web Page Generation vulnerability, classified as Reflected Cross-site Scripting (XSS) under CWE-79, in the Your Lightbox WordPress plugin by Reuven Karasik. The issue affects all versions of the plugin from n/a through 1.0 inclusive. Published on 2025-03-26, it 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 high severity due to its network accessibility and scope change.

Attackers can exploit this vulnerability remotely over the network with low attack complexity and no required privileges, though it demands user interaction, such as visiting a maliciously crafted URL. Upon successful exploitation, adversaries can inject and execute arbitrary scripts in the victim's browser context, achieving low impacts on confidentiality, integrity, and availability within a changed security scope, potentially enabling session hijacking, data theft, or further phishing.

The Patchstack advisory provides details on this WordPress plugin vulnerability, accessible at https://patchstack.com/database/Wordpress/Plugin/your-lightbox/vulnerability/wordpress-your-lightbox-plugin-1-0-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve. Security practitioners should consult it for recommended mitigations, such as updating the plugin or applying available patches if released.

EU & UK References

🇪🇺 ENISA EUVD: EUVD-2025-8187

Vulnerability details

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Reuven Karasik Your Lightbox your-lightbox allows Reflected XSS.This issue affects Your Lightbox: from n/a through <= 1.0.

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 exploitation of the web application (T1190) via crafted URLs and execution of arbitrary JavaScript in the victim's browser (T1059.007).

Confidence: HIGH · MITRE ATT&CK Enterprise v19.0