EUVD-2025-28357Severity by source
AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
PR:L due to authenticated attacker; UI:R required; scope changed.
Primary rating from NVD.
CVSS VectorNVD
Lifecycle Timeline
3DescriptionCVE.org
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Sparkle Themes Spark Multipurpose allows DOM-Based XSS. This issue affects Spark Multipurpose: from n/a through 1.0.7.
AnalysisAI
DOM-based Cross-Site Scripting (XSS) in Spark Multipurpose WordPress theme versions up to 1.0.7 allows authenticated attackers with low privileges to inject malicious scripts via crafted input, leading to potential data theft or session hijacking. No public exploit or active exploitation has been identified, and EPSS score is low (0.04%).
Technical ContextAI
The vulnerability is a DOM-based XSS (CWE-79) in the Spark Multipurpose WordPress theme. DOM-based XSS occurs when client-side JavaScript processes user input unsafely, modifying the DOM environment. The affected product is a WordPress theme, identified via CPE as sparkle-themes:spark-multipurpose. The vulnerability requires user interaction (UI:R) and low privileges (PR:L), indicating an authenticated attacker must trick a user into visiting a crafted link.
RemediationAI
Upgrade Spark Multipurpose theme to version 1.0.8 or later. No workaround available; ensure theme is updated via WordPress dashboard or manually. Advisory: https://patchstack.com/database/wordpress/theme/spark-multipurpose/vulnerability/wordpress-spark-multipurpose-theme-1-0-7-cross-site-scripting-xss-vulnerability
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External POC / Exploit Code
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