CVE-2026-85683
Deferred Deferred - Pending Action

Unauthenticated Stored XSS in Jane Menu WordPress Plugin

Publication date: 2026-10-21

Last updated on: 2026-10-21

Assigner: WPScan

Description
The Jane Menu WordPress plugin before 1.5.1 does not have any capability or nonce checks on one of its form handlers, which is reachable by unauthenticated users, allowing them to bind any published page to a remote document of their choosing. The plugin then fetches that document and outputs its head and body into the page without escaping, so an unauthenticated attacker can run arbitrary JavaScript in the browser of any visitor to that page, including an administrator.

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Meta Information

Published
2026-10-21
Last Modified
2026-10-21
Generated
2026-11-10
AI Q&A
2026-10-21
EPSS Evaluated
2026-11-09
NVD
CVE-2026-85683
EUVD
EUVD-2026-107148

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
Unknown Jane Menu 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 is an unauthenticated stored cross-site scripting (XSS) vulnerability in the Jane Menu WordPress plugin versions before 1.5.1. An attacker can exploit it by binding any published page to a remote document without authentication. The plugin fetches this document and injects its head and body into the page without proper escaping, allowing arbitrary JavaScript execution in visitors' browsers, including administrators.

Detection Guidance

Check if the Jane Menu WordPress plugin version is below 1.5.1. Use commands like 'wp plugin list' in WordPress CLI or inspect the plugin files for version details. Look for unauthorized changes to published pages or unexpected remote document bindings.

Impact Analysis

An unauthenticated attacker can run malicious JavaScript on any page using the vulnerable plugin. This could lead to session hijacking, theft of sensitive data like cookies or credentials, defacement of the website, or further compromise of visitor systems. Administrators are particularly at risk as they may unknowingly execute attacker-controlled scripts with elevated privileges.

Compliance Impact

This vulnerability could lead to unauthorized access to user data, violating GDPR's data protection requirements and HIPAA's safeguards for protected health information. If exploited, it may result in data breaches, unauthorized data processing, or loss of data integrity, potentially leading to regulatory penalties and legal consequences.

Mitigation Strategies

Update the Jane Menu plugin to version 1.5.1 or later immediately. Remove or disable the plugin if an update is not available. Monitor for suspicious activity or unauthorized page modifications.

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