CVE-2026-65563 in Orbit Fox Plugin
Summary
by MITRE • 07/27/2026
Author Cross Site Scripting (XSS) in Orbit Fox by ThemeIsle <= 3.0.7 versions.
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Analysis
by VulDB Data Team • 07/27/2026
The vulnerability identified as author cross site scripting in Orbit Fox plugin for WordPress affects versions up to and including 3.0.7 developed by ThemeIsle. This represents a critical security flaw that allows attackers to inject malicious scripts into content that is then executed in the browsers of unsuspecting users. The vulnerability specifically targets the author functionality within the plugin, which is commonly used for displaying contributor information and author-related data on websites.
The technical implementation of this XSS vulnerability stems from insufficient input sanitization and output escaping mechanisms within the Orbit Fox plugin codebase. When user-provided data is processed through the author-related features without proper validation or encoding, malicious script payloads can be injected into the application's response. This occurs because the plugin fails to adequately escape special characters and HTML tags in author-generated content before rendering it on web pages. The flaw creates a persistent cross site scripting vector that operates at the application layer, allowing attackers to execute arbitrary JavaScript code within the context of authenticated user sessions.
The operational impact of this vulnerability extends beyond simple script execution as it can lead to complete session hijacking, data theft, and unauthorized administrative actions. An attacker exploiting this vulnerability could steal cookies containing session information, redirect users to malicious sites, or inject additional malicious code that persists across multiple page views. The affected environment includes WordPress installations using Orbit Fox plugin versions 3.0.7 and earlier, making it particularly dangerous for websites that rely on contributor or author functionality. Security researchers have classified this as a CWE-79 - Cross-site Scripting vulnerability, which is one of the most prevalent and dangerous web application security flaws documented in the CWE database.
From an adversary perspective, this vulnerability aligns with ATT&CK technique T1566.001 - Phishing: Spearphishing Attachment, where attackers can leverage XSS to deliver malicious payloads through compromised author content. The attack surface is broad as any user who can contribute content or has access to author management features becomes a potential vector for exploitation. Organizations using Orbit Fox plugin versions prior to 3.0.8 should immediately implement mitigations including input validation, output encoding, and proper content security policies. The recommended remediation involves updating to the patched version of the plugin where proper sanitization procedures have been implemented.
Security best practices dictate that all user-supplied data should be validated and escaped before being rendered in web pages, particularly when dealing with author-specific content. The vulnerability demonstrates the critical importance of implementing defense-in-depth strategies including regular security audits, input validation frameworks, and content security policy headers to prevent similar issues. Organizations should also implement monitoring solutions to detect unusual activity patterns that might indicate exploitation attempts, while maintaining up-to-date security patches across all WordPress plugins and themes to minimize exposure windows. The incident underscores the necessity of adhering to secure coding practices and following established security standards throughout the software development lifecycle to prevent such vulnerabilities from reaching production environments.