Reflected XSS in DukaPress Plugin Allows Admin Account Attacks

Executive Summary

[{'type': 'paragraph', 'content': 'CVE-2026-2466 is a Reflected Cross-Site Scripting (XSS) vulnerability in the DukaPress WordPress plugin versions up to and including 3.2.4.'}, {'type': 'paragraph', 'content': 'The vulnerability occurs because the plugin does not properly sanitize and escape a parameter before outputting it back to the page. This allows attackers to inject malicious JavaScript code that executes in the context of users who view the affected page.'}, {'type': 'paragraph', 'content': "Specifically, an attacker can submit a crafted request with a malicious payload in the 'price' parameter to the plugin's AJAX handler, which then reflects this unsanitized input back to the user, triggering the execution of the injected script."}, {'type': 'paragraph', 'content': 'This flaw is categorized under CWE-79 (Improper Neutralization of Input During Web Page Generation) and is part of the OWASP Top 10 category A7 - Cross-Site Scripting (XSS).'}] [1]

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Impact Analysis

This vulnerability can have serious impacts, especially for high-privilege users such as administrators.

• Execution of arbitrary JavaScript code in the context of authenticated users.
• Potential session hijacking, allowing attackers to take over user sessions.
• Privilege escalation, where attackers could gain higher access rights.
• Other attacks targeting admin users that could compromise the security and integrity of the WordPress site.

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Compliance Impact

I don't know

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Detection Guidance

[{'type': 'paragraph', 'content': "This vulnerability can be detected by sending a crafted POST request to the plugin's AJAX handler endpoint and observing if the input is reflected unsanitized in the response, indicating a Reflected Cross-Site Scripting (XSS) flaw."}, {'type': 'paragraph', 'content': 'A suggested command to test this is using curl to submit a malicious payload in the `price` parameter to the `admin-ajax.php?action=dpsc_format_price` endpoint. For example:'}, {'type': 'list_item', 'content': 'curl -X POST -d "price=<script>alert(\'XSS\')</script>" https://yourwordpresssite.com/wp-admin/admin-ajax.php?action=dpsc_format_price'}, {'type': 'paragraph', 'content': 'If the response contains the injected script tags without sanitization or escaping, the vulnerability is present.'}] [1]

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Mitigation Strategies

Immediate mitigation steps include:

• Restrict access to the WordPress admin area and AJAX endpoints to trusted users only.
• Implement Web Application Firewall (WAF) rules to detect and block malicious payloads targeting the vulnerable parameter.
• Avoid using or disable the DukaPress plugin until a fixed version is released.
• Educate administrators to be cautious of suspicious links or inputs that could trigger the XSS.

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