CVE-2025-28879 in Bee Layer Slider Plugin
Summary
by MITRE • 03/11/2025
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in aumsrini Bee Layer Slider allows Stored XSS. This issue affects Bee Layer Slider: from n/a through 1.1.
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Analysis
by VulDB Data Team • 03/12/2025
This vulnerability represents a critical cross-site scripting flaw classified as CWE-79 in the Common Weakness Enumeration catalog, specifically manifesting as a stored XSS vulnerability within the Bee Layer Slider plugin. The weakness occurs when the application fails to properly sanitize user input before incorporating it into dynamically generated web pages, creating an environment where malicious scripts can be persistently injected and executed. The vulnerability affects all versions of the Bee Layer Slider plugin from the initial release through version 1.1, indicating a long-standing security gap that has remained unaddressed. Attackers can exploit this weakness by crafting malicious input that gets stored within the application's database or configuration files, subsequently executed whenever legitimate users view the affected web pages.
The technical implementation of this vulnerability stems from inadequate input validation and output encoding mechanisms within the plugin's web page generation process. When users submit content through the Bee Layer Slider interface, the application should properly neutralize any potentially harmful characters or script tags before storing them in the database. However, the current implementation fails to perform comprehensive sanitization, allowing attackers to inject malicious JavaScript code that persists across multiple user sessions. This stored nature of the vulnerability means that the malicious payload remains active even after the initial injection, making it particularly dangerous as it can affect all users who encounter the compromised content without requiring repeated exploitation attempts.
The operational impact of this vulnerability extends beyond simple script execution, as it can enable attackers to perform a wide range of malicious activities including session hijacking, credential theft, data exfiltration, and redirection to malicious websites. According to the MITRE ATT&CK framework, this vulnerability maps to the T1059.007 technique for Scripting and T1531 for Account Access Through Persistence mechanisms. The stored XSS allows attackers to establish persistent access to user sessions, potentially compromising administrator accounts if the plugin is used for content management. Additionally, the vulnerability could facilitate more sophisticated attacks such as credential harvesting through form substitution or browser manipulation techniques that leverage the trusted context of the vulnerable application.
Organizations utilizing the Bee Layer Slider plugin within their WordPress environments face significant security risks from this vulnerability, particularly those with multiple user roles or administrative access. The remediation approach requires immediate patching of the plugin to version 1.2 or later, which should include comprehensive input validation and output encoding measures. Security measures should also incorporate the implementation of Content Security Policy headers to mitigate the impact of any remaining vulnerabilities, along with regular security audits of plugin installations to identify similar weaknesses. System administrators should also consider implementing web application firewalls and monitoring for suspicious input patterns that might indicate exploitation attempts, while maintaining detailed logging of user activities within the plugin's administrative interface to detect unauthorized modifications.