What is the CVSS score of EUVD-2026-15655?

EUVD-2026-15655 has a CVSS 3.1 base score of 7.1 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L. EPSS exploitation probability: 0.0%.

Which versions of Boutique are affected by EUVD-2026-15655?

The Boutique WordPress theme contains a reflected XSS vulnerability (CVE-2026-25342) that allows attackers to execute malicious scripts in customer browsers through crafted URLs, potentially leading…. A patch is available.

How to fix or mitigate EUVD-2026-15655?

Within 24 hours: Identify all WordPress installations using the Boutique theme and document current versions via wp-cli or admin dashboard. Within 7 days: Upgrade all Boutique theme instances to version 2.4.6 or later through WordPress admin panel (Appearance > Themes > Updates) and verify successful deployment. Within 30 days: Conduct security audit of affected sites for evidence of exploitation (check access logs for suspicious query strings, review user session activity), and implement Web Application Firewall (WAF) rules to filter XSS payloads as defense-in-depth measure.

Boutique EUVD-2026-15655

| CVE-2026-25342 HIGH

Cross-site Scripting (XSS) (CWE-79)

2026-03-25 Patchstack

GHSA-cgw4-r4c2-m7c6

XSS Boutique

7.1

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.1 HIGH

AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

Low

Lifecycle Timeline

Re-analysis Queued

Apr 24, 2026 - 16:37 vuln.today

cvss_changed

Analysis Updated

Apr 16, 2026 - 06:15 EUVD-patch-fix

executive_summary

Re-analysis Queued

Apr 16, 2026 - 05:29 backfill_euvd_patch

patch_released

Patch available

Apr 16, 2026 - 05:29 EUVD

2.4.6

EUVD ID Assigned

Mar 25, 2026 - 16:47 euvd

EUVD-2026-15655

Analysis Generated

Mar 25, 2026 - 16:47 vuln.today

CVE Published

Mar 25, 2026 - 16:14 nvd

HIGH 7.1

DescriptionCVE.org

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in kutethemes Boutique kute-boutique allows Reflected XSS.This issue affects Boutique: from n/a through < 2.4.6.

AnalysisAI

A Reflected Cross-Site Scripting (XSS) vulnerability exists in the kutethemes Boutique WordPress theme versions prior to 2.4.6, allowing attackers to inject malicious scripts into web pages viewed by other users. An attacker can craft a malicious URL containing unsanitized input that, when clicked by a victim, executes arbitrary JavaScript in the victim's browser within the context of the affected website. This vulnerability enables session hijacking, credential theft, malware distribution, and defacement of affected e-commerce sites running vulnerable versions of the Boutique theme.

Technical ContextAI

This vulnerability is classified under CWE-79 (Improper Neutralization of Input During Web Page Generation), a root cause category that encompasses failure to properly encode or sanitize user-supplied input before it is rendered in HTML output. The kutethemes Boutique theme (identified via CPE cpe:2.3:a:kutethemes:boutique:*:*:*:*:*:*:*:*) is a WordPress theme used for e-commerce storefronts, and the flaw exists in its page generation logic where reflected parameters are not adequately escaped for HTML context. Reflected XSS vulnerabilities differ from stored XSS in that they require the victim to visit a crafted link; the malicious payload is not persistently stored on the server but is instead reflected directly from the request into the response.

RemediationAI

Immediately upgrade the kutethemes Boutique theme to version 2.4.6 or later, which contains patches for this reflected XSS vulnerability. This patch is available through the WordPress theme repository or directly from kutethemes. If immediate upgrading is not feasible due to compatibility concerns, implement input validation and output encoding at the web server level using a Web Application Firewall (WAF) configured with XSS filtering rules to sanitize reflected parameters. Additionally, enforce Content Security Policy (CSP) headers with strict-origin-when-cross-origin and script-src 'self' directives to mitigate the impact of any injected scripts. For WordPress administrators, ensure all plugins are current, disable untrusted plugins, and consider restricting theme customization options that accept user input. Monitor web server logs for suspicious query strings containing script tags or encoded XSS payloads as a detection measure until patching is complete.