CVE-2026-57398 in Real Estate Manager Pro Plugin
Summary
by MITRE • 07/13/2026
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in WebCodingPlace Real Estate Manager Pro real-estate-manager-pro allows Reflected XSS.This issue affects Real Estate Manager Pro: from n/a through <= 12.8.3.
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Analysis
by VulDB Data Team • 07/13/2026
This cross-site scripting vulnerability represents a critical security flaw in the web application architecture that enables malicious actors to inject client-side scripts into web pages viewed by other users. The vulnerability resides in the web page generation process where input validation and sanitization mechanisms fail to properly neutralize potentially dangerous user-supplied data before incorporating it into dynamically generated web content. This weakness creates an environment where attackers can exploit the application's failure to adequately filter or escape user input, leading to unauthorized script execution within the victim's browser context.
The technical implementation of this reflected cross-site scripting vulnerability occurs when the application receives user input through HTTP request parameters and directly incorporates that data into HTML responses without proper sanitization. According to CWE-79, this classification specifically addresses improper neutralization of input during web page generation, which allows attackers to inject malicious scripts that execute in the context of other users' browsers. The vulnerability is reflected because the malicious script is reflected back to the user through the application's response rather than being stored in a database or file system.
The operational impact of this vulnerability extends beyond simple data theft or session hijacking to encompass broader security implications for the entire web application ecosystem. Attackers can leverage this weakness to steal sensitive cookies, session tokens, and potentially escalate privileges within the application's user context. The affected version range indicates that all versions up to and including 12.8.3 remain vulnerable, suggesting a persistent flaw in the input processing pipeline that has not been adequately addressed through patch releases. This vulnerability directly violates security principles outlined in the OWASP Top Ten, specifically targeting the injection category that represents one of the most prevalent and dangerous web application security risks.
The exploitation of this reflected XSS vulnerability requires minimal technical sophistication from attackers while providing substantial access privileges to compromised users. Attackers typically craft malicious URLs containing script payloads that, when clicked by victims, execute within the victim's browser session with the same privileges as the legitimate user. This creates opportunities for data exfiltration, credential theft, and potential lateral movement within the application's user base. The vulnerability's persistence across multiple versions indicates either insufficient security testing during development cycles or inadequate patch management processes that fail to address fundamental input handling issues.
Mitigation strategies for this vulnerability must address both immediate remediation and long-term architectural improvements to prevent similar weaknesses from emerging in future releases. The primary fix involves implementing comprehensive input validation and output encoding mechanisms that sanitize all user-supplied data before incorporating it into web page content. This includes implementing proper HTML escaping, JavaScript escaping, and context-appropriate encoding based on the target execution context. Organizations should also implement Content Security Policy headers to limit script execution capabilities and reduce the impact of successful XSS attacks. Additionally, regular security testing including dynamic application security testing and manual penetration testing should be conducted to identify similar vulnerabilities in other components of the web application stack. The vulnerability's classification under ATT&CK technique T1203 emphasizes the need for comprehensive defense-in-depth strategies that include both preventive measures and detection capabilities to protect against this persistent class of attacks.