Executive Summary

CVE-2026-56011 is a Cross Site Scripting (XSS) vulnerability found in the WordPress MapPress Maps plugin, versions 2.97.3 and below.

This vulnerability allows attackers to inject malicious scripts into websites using the plugin. These scripts can execute when visitors interact with the site, such as by clicking a malicious link or visiting a crafted page.

The vulnerability is unauthenticated, meaning attackers do not need to be logged in to exploit it.

It is classified under OWASP Top 10 A3: Injection and has a CVSS score of 7.1, indicating a medium priority risk.

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Compliance Impact

The vulnerability allows attackers to inject malicious scripts into websites, which can lead to harmful actions such as redirects or unauthorized content display. Such exploitation could potentially result in unauthorized access to user data or compromise user interactions on the affected site.

While the provided information does not explicitly mention compliance with standards like GDPR or HIPAA, vulnerabilities that enable unauthorized script execution and potential data exposure can negatively impact compliance with these regulations, which require protection of user data and secure handling of personal information.

Therefore, failure to patch this vulnerability could increase the risk of non-compliance with data protection regulations due to possible data breaches or unauthorized data manipulation.

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Impact Analysis

Exploitation of this vulnerability can lead to attackers injecting malicious scripts that may cause harmful actions such as redirects to malicious sites, displaying unwanted advertisements, or other malicious behaviors.

Since the vulnerability requires user interaction, visitors to the affected website could be tricked into executing these malicious scripts.

This can compromise the security and trustworthiness of your website and potentially harm your users.

The vulnerability has been actively exploited in mass campaigns targeting thousands of websites.

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Detection Guidance

This vulnerability involves Cross Site Scripting (XSS) in the MapPress Maps WordPress plugin versions 2.97.3 and below. Detection typically involves monitoring for suspicious script injections or unusual redirects on your website that could indicate exploitation attempts.

Since the vulnerability requires user interaction such as clicking a malicious link or visiting a crafted page, network detection can include monitoring HTTP requests for suspicious payloads targeting the MapPress Maps plugin.

Specific commands are not provided in the available resources, but general approaches include using web application firewalls (WAF) with rules to detect XSS payloads, scanning web server logs for unusual query parameters or script tags, and employing vulnerability scanners that check for outdated plugin versions.

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Mitigation Strategies

The immediate recommended step is to update the MapPress Maps plugin to version 2.97.4 or later, which contains the patch for this vulnerability.

Until the update can be applied, users are advised to use Patchstack’s mitigation rules to block attacks targeting this vulnerability.

Additionally, monitoring and restricting user interactions that could trigger the vulnerability, such as avoiding clicking suspicious links or visiting untrusted pages, can help reduce risk.

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