CVE-2024-22307 in WP-Lister Lite for eBay Plugin
Summary
by MITRE • 01/31/2024
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in WP Lab WP-Lister Lite for eBay wp-lister-for-ebay.This issue affects WP-Lister Lite for eBay: from n/a through <= 3.5.7.
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Analysis
by VulDB Data Team • 04/01/2026
This cross-site scripting vulnerability exists within the WP-Lister Lite for eBay plugin, a popular WordPress extension used for managing eBay listings directly from WordPress environments. The flaw represents a classic input sanitization failure that allows malicious actors to inject malicious scripts into web pages viewed by other users. The vulnerability specifically impacts versions of the plugin ranging from the initial release through version 3.5.7, creating a significant security exposure for WordPress sites utilizing this e-commerce integration tool. The issue stems from inadequate validation and sanitization of user-supplied data that is subsequently rendered in web page contexts without proper encoding mechanisms.
The technical root cause of this vulnerability aligns with CWE-79, which defines Cross-Site Scripting as a weakness where software does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page. In this case, the WP-Lister Lite plugin fails to properly sanitize input parameters that are subsequently embedded into HTML output during the generation of web pages. Attackers can exploit this by crafting malicious input in fields such as product titles, descriptions, or other editable content areas that are then displayed on eBay listing pages or WordPress admin interfaces. The vulnerability occurs during the web page generation process when user input is directly incorporated into HTML without appropriate HTML entity encoding or other sanitization measures.
The operational impact of this vulnerability is substantial as it enables attackers to execute arbitrary JavaScript code in the context of affected users' browsers. This could lead to session hijacking, credential theft, defacement of web pages, or redirection to malicious sites. The attack surface is particularly concerning given that the plugin is designed for e-commerce operations where users may have administrative privileges or access to sensitive business data. An attacker could potentially exploit this vulnerability to gain unauthorized access to eBay accounts linked through the plugin, manipulate product listings, or harvest sensitive information from authenticated users. The vulnerability affects not only the end users but also the administrators who manage the WordPress sites hosting the plugin, creating a potential vector for privilege escalation attacks.
Mitigation strategies should include immediate patching to version 3.5.8 or later, which presumably contains the necessary fixes for this XSS vulnerability. Organizations should also implement input validation and sanitization measures at multiple layers, ensuring that all user-supplied data is properly encoded before being rendered in HTML contexts. The principle of least privilege should be enforced by limiting the data that can be directly manipulated through the plugin interface. Security monitoring should be implemented to detect unusual activity patterns that might indicate exploitation attempts. Additionally, administrators should consider implementing content security policies and regular security audits of WordPress plugins to identify similar vulnerabilities. The ATT&CK framework categorizes this as a technique involving code injection, specifically targeting web application vulnerabilities that allow adversaries to execute malicious code in user browsers through improper input handling. Organizations should also conduct regular security assessments and maintain updated threat intelligence to identify potential exploitation attempts targeting known vulnerabilities in their WordPress plugin ecosystem.