Executive Summary

The Open User Map PRO plugin for WordPress has a Stored Cross-Site Scripting (XSS) vulnerability in the 'oum_location_notification' parameter in versions up to and including 1.4.31.

This vulnerability exists because the plugin does not properly sanitize input or escape output for this parameter.

As a result, an unauthenticated attacker can inject arbitrary malicious web scripts into pages, which will execute whenever a user accesses those pages.

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Impact Analysis

This vulnerability can allow attackers to execute malicious scripts in the context of users visiting the affected pages.

Potential impacts include theft of user credentials, session hijacking, defacement of the website, or redirection to malicious sites.

Since the attack can be performed by unauthenticated users, it increases the risk of exploitation.

The CVSS score of 4.7 indicates a medium severity with low complexity but requiring user interaction.

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Compliance Impact

The vulnerability in the Open User Map PRO plugin allows unauthenticated attackers to inject arbitrary web scripts via stored cross-site scripting (XSS). This can lead to unauthorized access or manipulation of user data when users access the injected pages.

Such security weaknesses can impact compliance with data protection regulations like GDPR and HIPAA, which require organizations to protect personal data against unauthorized access and ensure the integrity and confidentiality of user information.

Specifically, stored XSS vulnerabilities may enable attackers to steal user credentials, session tokens, or other sensitive information, potentially leading to data breaches that violate these regulations.

Therefore, the presence of this vulnerability could hinder an organization's ability to maintain compliance with common security standards and regulations that mandate safeguarding user data.

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Mitigation Strategies

To mitigate the Stored Cross-Site Scripting vulnerability in the Open User Map PRO plugin, you should immediately update the plugin to a version later than 1.4.31 where the issue is fixed.

Additionally, consider disabling or removing the plugin if an update is not available or feasible, and monitor your WordPress site for suspicious activity related to the 'oum_location_notification' parameter.

Implementing web application firewall (WAF) rules to block malicious input targeting this parameter can also help reduce risk.

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