A high-severity vulnerability has been identified in the TieLabs Jannah software, designated as CVE-2025-53334. This flaw allows an attacker to read sensitive files on the server by tricking the application into including local system files. Successful exploitation could lead to the exposure of confidential data, user credentials, and system configuration details, potentially enabling further attacks against the organization's infrastructure.

This vulnerability is a Local File Inclusion (LFI) flaw. It exists because the application does not properly validate user-supplied input before using it in a PHP include or require statement. An unauthenticated remote attacker can exploit this by crafting a malicious request that manipulates a file path parameter, using path traversal sequences (e.g., ../../..) to navigate outside of the intended directory. This forces the application to include and display the contents of arbitrary files from the server's local filesystem, such as configuration files containing credentials (wp-config.php), system user files (/etc/passwd), or other sensitive application data.

This vulnerability is rated as High severity with a CVSS score of 8.1. Exploitation can have a significant business impact, primarily through the breach of confidentiality. An attacker could steal sensitive information including database credentials, API keys, intellectual property, and personally identifiable information (PII). This data exposure could lead to severe reputational damage, regulatory fines, and financial loss. Furthermore, the information gained from this vulnerability could be used as a foothold to launch more sophisticated attacks, potentially leading to a full system compromise.

Immediate Action: Apply the security updates released by TieLabs immediately across all affected instances of the Jannah theme. After patching, it is critical to monitor for any signs of attempted or successful exploitation by thoroughly reviewing web server and application access logs for suspicious activity.

Proactive Monitoring: Security teams should actively monitor web server logs for requests containing path traversal patterns such as ../, ..%2F, and variations. Look for attempts to access common sensitive files like /etc/passwd, wp-config.php, .env, or local log files. An increase in HTTP 4xx or 5xx error codes from the affected application could also indicate scanning or exploitation attempts.

Compensating Controls: If immediate patching is not feasible, implement the following compensating controls:

• Deploy a Web Application Firewall (WAF) with rules specifically designed to detect and block path traversal and Local File Inclusion attacks.
• Harden the web server's file system permissions to ensure the web server process user has read access only to the necessary directories, preventing access to sensitive system-level files.
• Ensure PHP hardening is in place, such as disabling allow_url_include in the php.ini configuration file to prevent escalation to Remote File Inclusion.

Public Exploit Available: false

Given the high CVSS score of 8.1 and the critical nature of data that can be exposed, this vulnerability presents a significant risk to the organization. We strongly recommend that all system owners prioritize the immediate application of the vendor-supplied patches to all internet-facing systems running the affected TieLabs Jannah software. While this CVE is not currently on the CISA KEV list, its severity warrants an urgent response. If patching cannot be performed immediately, the compensating controls outlined above, particularly the use of a WAF, should be implemented as an interim mitigation measure.