CVE-2026-65754 in ReReplacer PRo Plugin
Summary
by MITRE • 07/23/2026
ReReplacer XML include paths could read files outside the site directory.
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Analysis
by VulDB Data Team • 07/23/2026
This vulnerability involves a path traversal flaw in ReReplacer XML processing functionality that allows unauthorized file access beyond the intended site directory boundaries. The issue stems from insufficient input validation and sanitization of file paths during XML include operations, enabling attackers to craft malicious XML payloads that reference files outside the designated application scope. When the system processes these includes, it fails to properly validate or restrict the file paths, allowing arbitrary file reading capabilities. This type of vulnerability falls under CWE-22 Path Traversal and represents a classic example of improper input validation in web applications. The flaw operates at the application level where XML processing routines do not enforce proper directory restrictions, creating an attack surface that can be exploited to access sensitive system files, configuration data, or other restricted resources.
The operational impact of this vulnerability extends beyond simple information disclosure to potentially enable more sophisticated attacks including credential theft, system reconnaissance, and privilege escalation. Attackers can leverage this weakness to read critical system files such as password hashes, database connection strings, application configuration files, or even system-level information that could aid in further exploitation. The vulnerability is particularly dangerous because it operates silently without requiring authentication, allowing attackers to gather intelligence about the target system architecture and potentially identify other weaknesses within the environment. This type of access can provide adversaries with valuable reconnaissance data that aligns with ATT&CK technique T1213 Data from Information Repositories, where attackers collect information from system repositories.
Mitigation strategies should focus on implementing strict input validation and sanitization for all XML include paths, enforcing proper directory restrictions through secure coding practices, and deploying application-level firewalls or web application firewalls to monitor and filter suspicious file access patterns. Organizations should implement path normalization techniques that resolve relative paths against a predefined base directory and reject any attempts to traverse parent directories using sequences like ../ or ..\.. The fix requires code-level modifications to ensure that XML include processing routines validate all input paths against an allowlist of permitted directories, preventing the traversal of file system boundaries. Additionally, regular security testing including dynamic application security testing and static code analysis should be employed to identify similar vulnerabilities in other components of the application stack. Organizations should also consider implementing principle of least privilege access controls and monitoring for unusual file access patterns that could indicate exploitation attempts.