CVE-2025-22360 in WP Azure Offload Plugin
Summary
by MITRE • 03/28/2025
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in NotFound WP Azure offload allows Reflected XSS. This issue affects WP Azure offload: from n/a through 2.0.
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Analysis
by VulDB Data Team • 06/02/2026
Cross-site scripting vulnerabilities represent one of the most prevalent and dangerous web application security flaws, with the specific weakness identified in the NotFound WP Azure offload plugin demonstrating how insufficient input validation can create persistent security risks. This reflected cross-site scripting vulnerability occurs when the plugin fails to properly sanitize user-supplied data during web page generation processes, allowing malicious actors to inject malicious scripts into web pages viewed by other users. The vulnerability specifically affects versions ranging from the initial release through version 2.0, indicating a long-standing issue that has persisted across multiple iterations of the plugin's development cycle.
The technical flaw manifests when the plugin processes user input without adequate neutralization measures, particularly in contexts where dynamic content is generated for web page display. When malicious input reaches the plugin's processing logic, it flows directly into the HTML output without proper encoding or validation, creating opportunities for attackers to execute arbitrary JavaScript code within the victim's browser context. This reflected nature of the vulnerability means that the malicious payload must be delivered through a crafted URL parameter or form input that gets immediately reflected back to the user, making the attack vector particularly effective for phishing and session hijacking operations. The vulnerability maps directly to CWE-79, which specifically addresses improper neutralization of input during web page generation, and aligns with ATT&CK technique T1566.001 for initial access through spearphishing attachments or links.
The operational impact of this vulnerability extends beyond simple script execution, as it provides attackers with the capability to steal session cookies, redirect users to malicious sites, or manipulate the functionality of the affected WordPress installation. An attacker could potentially harvest administrator credentials, modify content, or even escalate privileges within the WordPress environment. The reflected nature of the attack means that successful exploitation requires user interaction with a malicious link, typically delivered through phishing campaigns or social engineering tactics. The vulnerability's persistence across multiple versions suggests that the developers may not have fully understood the security implications of their input handling mechanisms, or that adequate security testing was not performed during the development lifecycle.
Mitigation strategies for this vulnerability should focus on implementing comprehensive input validation and output encoding mechanisms throughout the plugin's codebase. The most effective approach involves sanitizing all user-provided data before it enters any dynamic content generation processes, utilizing proper HTML encoding functions for output contexts, and implementing Content Security Policy headers to limit script execution capabilities. Organizations should immediately upgrade to the latest version of the plugin if available, or implement temporary workarounds such as web application firewalls that can detect and block malicious input patterns. The vulnerability's classification as a reflected XSS issue also necessitates regular security audits of all plugin components, with particular attention to how user input is processed and rendered within web pages. Implementation of the principle of least privilege and regular security assessments can help prevent similar issues from emerging in other components of the WordPress ecosystem, while adherence to security standards like OWASP Top Ten and NIST cybersecurity guidelines will provide comprehensive protection against such vulnerabilities.