Reflected XSS in ListingPro Plugin Allows Webpage Script Injection

Executive Summary

CVE-2026-28122 is a Reflected Cross-Site Scripting (XSS) vulnerability in the WordPress ListingPro Plugin versions up to and including 2.9.8.

This vulnerability allows an attacker to inject malicious scripts, such as redirects, advertisements, or other HTML payloads, into the website. These scripts execute when visitors access the affected site.

Exploitation requires user interaction, such as clicking a malicious link, visiting a crafted page, or submitting a form, but no authentication is needed to initiate the attack.

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Impact Analysis

This vulnerability can impact you by allowing attackers to execute malicious scripts on your website, which can lead to unauthorized redirects, display of unwanted advertisements, or other harmful HTML payloads.

Such attacks can compromise the integrity and trustworthiness of your website, potentially harming your users and damaging your reputation.

Since no authentication is required to exploit this vulnerability, it can be triggered by any visitor interacting with crafted content.

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Compliance Impact

I don't know

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Detection Guidance

The vulnerability is a reflected Cross Site Scripting (XSS) issue in the ListingPro WordPress plugin versions up to 2.9.8. Detection typically involves testing for injection of malicious scripts via crafted URLs or form inputs that the plugin processes.

While no specific commands are provided in the resources, common detection methods include using web vulnerability scanners or manual testing by injecting typical XSS payloads (e.g., <script>alert(1)</script>) into URL parameters or form fields and observing if the script executes.

Network detection might involve monitoring HTTP requests for suspicious payloads targeting the ListingPro plugin endpoints.

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Mitigation Strategies

Since no official patch is currently available for this vulnerability, immediate mitigation involves applying the mitigation rule issued by Patchstack to block attacks targeting this vulnerability.

Users are advised to apply this mitigation immediately to protect their websites from exploitation.

Additionally, restricting user input, implementing web application firewalls (WAF), and monitoring for suspicious activity can help reduce risk until an official patch is released.

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