CVE-2025-25134

High

Published: 26 March 2025

Published

26 March 2025

Modified

23 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 0.0011 29.9th percentile

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

Summary

CVE-2025-25134 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 29.9th 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-15 (Information Output Filtering) and SI-2 (Flaw Remediation).

Deeper analysis

CVE-2025-25134 is an Improper Neutralization of Input During Web Page Generation vulnerability, classified as Reflected Cross-site Scripting (XSS) under CWE-79, in the zenverse Theme Demo Bar WordPress plugin (wordpress-theme-demo-bar). This issue affects the plugin from unknown initial versions through version 1.6.3 inclusive. The vulnerability was published on 2025-03-26.

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 required privileges, and user interaction needed for exploitation, with a changed scope. Remote attackers can exploit it by tricking authenticated or unauthenticated users into interacting with maliciously crafted input, such as a specially prepared URL or form submission reflected in the web page. Successful exploitation enables arbitrary script execution in the victim's browser context, potentially compromising low levels of confidentiality, integrity, and availability.

Mitigation details are available in the Patchstack advisory at https://patchstack.com/database/Wordpress/Plugin/wordpress-theme-demo-bar/vulnerability/wordpress-theme-demo-bar-plugin-1-6-3-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve.

EU & UK References

🇪🇺 ENISA EUVD: EUVD-2025-8179

Vulnerability details

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in zenverse Theme Demo Bar wordpress-theme-demo-bar allows Reflected XSS.This issue affects Theme Demo Bar: from n/a through <= 1.6.3.

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 enables direct exploitation of the web application and arbitrary JavaScript execution in the browser via crafted URLs.

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