CVE-2025-23809

High

Published: 22 January 2025

Published

22 January 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 0.0013 32.1th percentile

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

Summary

CVE-2025-23809 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 32.1th 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-2025-23809 is an Improper Neutralization of Input During Web Page Generation vulnerability, classified as Reflected Cross-site Scripting (XSS) under CWE-79, in the Blue Wrench Video Widget (blue-wrench-videos-widget) WordPress plugin by Sunil Nanda. The issue affects all versions of the plugin from n/a through 2.1.0, allowing malicious input to be reflected without proper sanitization during web page generation.

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 such as clicking a malicious link. Remote attackers can exploit it by crafting payloads delivered via reflected inputs, executing arbitrary scripts in the context of a victim's browser on affected sites, with changed scope and low impacts to confidentiality, integrity, and availability.

The Patchstack advisory provides further details on the vulnerability at https://patchstack.com/database/Wordpress/Plugin/blue-wrench-videos-widget/vulnerability/wordpress-blue-wrench-video-widget-plugin-2-1-0-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve, including potential mitigation through plugin updates beyond version 2.1.0 where available.

EU & UK References

🇪🇺 ENISA EUVD: EUVD-2025-3441

Vulnerability details

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Sunil Nanda Blue Wrench Video Widget blue-wrench-videos-widget allows Reflected XSS.This issue affects Blue Wrench Video Widget: from n/a through <= 2.1.0.

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 enables exploitation of public-facing applications (T1190) and arbitrary JavaScript execution in victim's browser (T1059.007).

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