Sensitive Data Exposure in APIExperts Square for WooCommerce

Detection Guidance

This vulnerability affects the APIExperts Square for WooCommerce plugin version 4.7.3 or earlier. Detection involves identifying if this vulnerable plugin version is installed on your WordPress site.

To detect the vulnerability on your system, you can check the installed plugin version by running commands on your server or by inspecting the WordPress admin dashboard.

• Use WP-CLI to check the plugin version: wp plugin list | grep woosquare
• Manually check the plugin version in the WordPress admin panel under Plugins.
• Scan network traffic for suspicious data exposure related to the plugin endpoints, although specific commands for this are not provided.

If the plugin version is 4.7.3 or earlier, it is vulnerable and should be updated immediately to version 4.7.4 or later.

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Executive Summary

CVE-2026-54848 is a vulnerability in the WordPress plugin "APIExperts Square for WooCommerce" version 4.7.3 or earlier. It allows unauthenticated attackers to retrieve sensitive information that is normally restricted to regular users. This issue is classified as an Insertion of Sensitive Information Into Sent Data vulnerability, meaning sensitive data can be exposed through the plugin.

The vulnerability has a CVSS severity score of 8.3, indicating it is moderately dangerous and could be exploited in widespread attacks targeting many websites.

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Impact Analysis

This vulnerability can impact you by allowing attackers who do not have authentication to access sensitive information that should be protected. This exposure can lead to further exploitation of your system or website.

• Unauthorized access to sensitive data.
• Potential for further system compromise or exploitation.
• Risk of large-scale attacks affecting many websites using the vulnerable plugin.

Immediate action such as updating the plugin to version 4.7.4 or later is recommended to mitigate these risks.

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Mitigation Strategies

The immediate recommended step to mitigate this vulnerability is to update the APIExperts Square for WooCommerce plugin to version 4.7.4 or later, where the issue has been patched.

If updating the plugin is not possible, users should seek assistance from their hosting provider or web developer.

Patchstack users can also enable auto-updates for vulnerable plugins to reduce the risk of exploitation.

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Compliance Impact

The vulnerability in APIExperts Square for WooCommerce allows unauthenticated attackers to access sensitive information that should be restricted. This exposure of sensitive data can lead to non-compliance with data protection regulations such as GDPR and HIPAA, which mandate the protection of personal and sensitive information.

Failure to protect sensitive data as required by these standards can result in legal penalties, reputational damage, and increased risk of further exploitation.

Therefore, this vulnerability poses a significant risk to compliance with common data protection regulations.

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