CVE-2025-58882 in Simple Text Slider Plugin
Summary
by MITRE • 09/05/2025
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in w1zzard Simple Text Slider allows Stored XSS. This issue affects Simple Text Slider: from n/a through 1.0.5.
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Analysis
by VulDB Data Team • 09/05/2025
The CVE-2025-58882 vulnerability represents a critical cross-site scripting flaw within the w1zzard Simple Text Slider plugin, specifically impacting versions ranging from an unspecified beginning through version 1.0.5. This vulnerability falls under the well-established CWE-79 category for Improper Neutralization of Input During Web Page Generation, which is a fundamental weakness in web application security that enables malicious actors to inject client-side scripts into web pages viewed by other users. The vulnerability manifests as a stored XSS attack vector, meaning that malicious script code can be permanently stored on the server and subsequently executed whenever affected pages are loaded by unsuspecting users, creating a persistent threat that can compromise user sessions and exfiltrate sensitive data.
The technical flaw stems from inadequate input validation and sanitization within the plugin's web page generation process, where user-supplied data is not properly escaped or filtered before being rendered in HTML output contexts. This allows attackers to submit malicious payloads through input fields or parameters that are then stored within the plugin's database or configuration files. When legitimate users access pages that display this stored content, their browsers execute the embedded malicious scripts, potentially leading to session hijacking, credential theft, or redirection to malicious sites. The stored nature of this vulnerability makes it particularly dangerous as it can affect multiple users over extended periods without requiring repeated exploitation attempts.
The operational impact of this vulnerability extends beyond simple script execution, as it can enable attackers to perform sophisticated attacks that leverage the victim's authenticated session context. According to ATT&CK framework, this vulnerability maps to T1531 for "Run-time Process Injection" and T1059.007 for "Command and Scripting Interpreter: JavaScript" when exploited. The affected Simple Text Slider plugin likely processes user inputs through various interface elements such as text fields, sliders, or configuration settings, where the lack of proper sanitization creates multiple attack surfaces. Attackers could potentially inject scripts that steal cookies, redirect users to phishing sites, or even modify content on the affected website, leading to reputation damage, data breaches, and potential regulatory compliance violations.
Mitigation strategies for this vulnerability should include immediate patching of the affected plugin to version 1.0.6 or later, which should contain proper input sanitization and output escaping mechanisms. Security administrators should implement comprehensive input validation at multiple layers, including server-side filtering and HTML escaping for all user-supplied content. Additionally, implementing Content Security Policy headers can provide an additional defense-in-depth measure by restricting script execution and preventing unauthorized code injection. Regular security audits and vulnerability assessments should be conducted to identify similar issues in other plugins and components. The vulnerability also underscores the importance of maintaining updated security practices and adhering to secure coding guidelines such as those outlined in OWASP Top Ten and the CWE guidelines for preventing XSS vulnerabilities through proper input sanitization and output encoding techniques.