CVE-2026-93535
Received Received - Intake

Stored XSS in Dark Mode WordPress Plugin

Publication date: 2026-10-16

Last updated on: 2026-10-16

Assigner: Wordfence

Description
The Dark Mode – Improve Accessibility with AI Powered Dark Theme plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'icon_light' Shortcode Attribute in all versions up to, and including, 5.3.17 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

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Meta Information

Published
2026-10-16
Last Modified
2026-10-16
Generated
2026-10-16
AI Q&A
2026-10-16
EPSS Evaluated
N/A
NVD
CVE-2026-93535
EUVD
EUVD-2026-102609

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
wppool Dark Mode – Improve Accessibility with AI Powered Dark Theme 0

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-79 The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

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Executive Summary

This vulnerability is a Stored Cross-Site Scripting (XSS) issue in the Dark Mode WordPress plugin. It allows authenticated attackers with Contributor-level access or higher to inject malicious scripts via the 'icon_light' shortcode attribute. The flaw exists due to insufficient input sanitization and output escaping in versions up to 5.3.17.

Detection Guidance

Check WordPress plugins for the Dark Mode plugin version 5.3.17 or lower. Inspect pages using the 'icon_light' shortcode attribute for stored scripts. Use WordPress admin panel to review plugin versions and scan for suspicious scripts in page content.

Impact Analysis

If exploited, this vulnerability could allow attackers to inject malicious scripts into your WordPress site. These scripts could steal user data, hijack sessions, or deface your website. Users visiting infected pages may have their sessions compromised or be redirected to malicious sites.

Compliance Impact

This vulnerability could lead to data breaches, which may violate GDPR and HIPAA requirements for data protection and security. If user data is compromised due to this flaw, organizations could face legal penalties, fines, and reputational damage.

Mitigation Strategies

Update the Dark Mode plugin to the latest version immediately. Remove or disable the plugin if an update is unavailable. Review user roles with Contributor-level access and above for unauthorized changes. Scan WordPress sites for injected scripts.

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