CVE-2024-22286 in BA Plus Plugin
Summary
by MITRE • 01/31/2024
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Aluka BA Plus – Before & After Image Slider FREE allows Reflected XSS.This issue affects BA Plus – Before & After Image Slider FREE: from n/a through 1.0.3.
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Analysis
by VulDB Data Team • 02/22/2024
The vulnerability CVE-2024-22286 represents a critical cross-site scripting flaw in the Aluka BA Plus – Before & After Image Slider FREE plugin, which falls under the CWE-79 category of Cross-Site Scripting. This weakness occurs during the web page generation process where input parameters are not properly sanitized before being rendered back to users, creating an avenue for malicious script execution. The vulnerability specifically manifests as a reflected XSS attack, meaning that malicious input is immediately reflected back in the application's response without adequate filtering or encoding mechanisms.
The technical exploitation of this vulnerability occurs when an attacker crafts malicious input that gets processed by the plugin and subsequently embedded into the HTML output of the web page. This typically happens through URL parameters or form fields that are not validated or escaped before being displayed to end users. The reflected nature of the vulnerability means that the malicious script is executed in the victim's browser when they access a specially crafted URL containing the malicious payload. The affected version range spans from the initial release through version 1.0.3, indicating that the developers have not yet addressed this security gap in their codebase.
The operational impact of this vulnerability extends beyond simple script execution, as it can enable attackers to perform various malicious activities including session hijacking, credential theft, defacement of web pages, and redirection to malicious sites. Attackers can leverage this vulnerability to steal administrator credentials, modify content, or even establish persistent backdoors within the affected WordPress environment. The reflected nature makes this attack vector particularly dangerous as it can be delivered through phishing emails, malicious links in forums, or social media platforms, requiring victims to simply click on the crafted link to be compromised. This vulnerability directly maps to the ATT&CK technique T1566.001 which involves social engineering through spearphishing, as the attack can be easily propagated through user interaction with malicious links.
Mitigation strategies for this vulnerability should include immediate patching of the affected plugin to version 1.0.4 or later where the XSS flaws have been addressed through proper input sanitization and output encoding. System administrators should implement comprehensive input validation mechanisms that filter and escape all user-provided data before it is processed or displayed in web pages. The implementation of Content Security Policy headers can provide additional defense-in-depth measures to prevent script execution from unauthorized sources. Regular security audits and code reviews should be conducted to identify similar input validation issues across the entire WordPress installation, as this vulnerability demonstrates the importance of proper sanitization practices in web application development. Organizations should also consider implementing Web Application Firewalls to detect and block malicious payloads attempting to exploit this type of vulnerability while maintaining monitoring systems to detect potential exploitation attempts.