Stored XSS in ShortPixel Enable Media Replace

Executive Summary

CVE-2026-57722 is a Cross Site Scripting (XSS) vulnerability in the WordPress Enable Media Replace Plugin versions 4.2.1 and earlier.

This vulnerability occurs due to improper neutralization of input during web page generation, allowing an attacker to inject malicious scripts into the website.

Exploitation requires user interaction, such as a privileged user (like an Editor or Developer) clicking a malicious link or submitting a specially crafted form.

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Detection Guidance

This vulnerability affects the WordPress Enable Media Replace Plugin versions 4.2.1 and earlier. Detection involves identifying if the vulnerable plugin version is installed and active on your WordPress site.

You can check the installed plugin version by accessing your WordPress admin dashboard or by using command line tools to inspect the plugin files.

• Use WP-CLI to check the plugin version: wp plugin list | grep enable-media-replace
• Manually inspect the plugin's main file (usually enable-media-replace.php) for the version header.

Since this is a Stored Cross-Site Scripting (XSS) vulnerability, detection on the network level is difficult. However, monitoring for unusual script injections or unexpected behavior in pages where media replacement is used can help.

No specific network commands or signatures are provided in the available resources for direct detection of exploit attempts.

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Impact Analysis

Successful exploitation of this vulnerability could allow an attacker to inject malicious scripts, including redirects or advertisements, into the website.

These malicious scripts would execute when visitors access the site, potentially compromising user experience, security, and trust.

The vulnerability has a moderate severity with a CVSS score of 5.9 and requires user interaction for exploitation.

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Compliance Impact

The provided information does not specify how the Cross-site Scripting (XSS) vulnerability in the Enable Media Replace plugin directly affects compliance with common standards and regulations such as GDPR or HIPAA.

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Mitigation Strategies

To mitigate the CVE-2026-57722 vulnerability in the Enable Media Replace WordPress plugin, you should update the plugin to version 4.2.2 or later, where the issue has been patched.

Additionally, enabling auto-updates for vulnerable plugins can help ensure you receive security patches promptly.

Since exploitation requires user interaction by privileged users, educating users about the risks of clicking malicious links or submitting untrusted forms is also recommended.

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