CVE-2025-48273: WP Job Portal Path Traversal Flaw

CVE-2025-48273 Overview

CVE-2025-48273 is a path traversal vulnerability in the WP Job Portal plugin for WordPress. The flaw affects all versions up to and including 2.3.2. Attackers can exploit improper pathname validation to download arbitrary files from the underlying server. The issue is classified under CWE-22, Improper Limitation of a Pathname to a Restricted Directory.

The vulnerability requires no authentication and is exploitable over the network. Successful exploitation exposes sensitive files such as configuration files, credentials, and source code.

Critical Impact

Unauthenticated attackers can read arbitrary files on WordPress sites running WP Job Portal <= 2.3.2, including wp-config.php containing database credentials.

Affected Products

• WP Job Portal plugin for WordPress, versions up to and including 2.3.2
• WordPress installations with the wp-job-portal plugin enabled
• Sites hosting job-board functionality via the wpjobportal extension

Discovery Timeline

• 2025-05-23 - CVE-2025-48273 published to NVD
• 2026-04-23 - Last updated in NVD database

Technical Details for CVE-2025-48273

Vulnerability Analysis

The WP Job Portal plugin contains a path traversal flaw in a file download handler. The handler accepts a user-supplied filename or path parameter without restricting it to an allowed directory. Attackers supply traversal sequences such as ../ to escape the intended download directory and reach files anywhere on the filesystem the web server can read.

The vulnerability is network-reachable and requires no privileges or user interaction. The impact is limited to confidentiality, as the flaw enables file disclosure rather than modification or service disruption. The Patchstack advisory categorizes the issue as an arbitrary file download vulnerability.

WordPress plugin ecosystems frequently expose AJAX or admin-ajax endpoints that handle file delivery. When these endpoints concatenate request parameters into filesystem paths without canonicalization, traversal attacks succeed reliably.

Root Cause

The plugin fails to canonicalize and validate user-controlled path input before passing it to file read or download routines. There is no check confirming that the resolved path remains inside the plugin's intended directory.

Attack Vector

An unauthenticated remote attacker sends a crafted HTTP request to the vulnerable WP Job Portal endpoint. The request includes a file parameter containing traversal sequences such as ../../../../wp-config.php. The server reads and returns the targeted file in the HTTP response.

The vulnerability mechanism is described in the Patchstack WordPress Vulnerability Report. No public proof-of-concept exploit is currently listed in NVD references.

Detection Methods for CVE-2025-48273

Indicators of Compromise

• HTTP requests to WP Job Portal endpoints containing ../ or URL-encoded %2e%2e%2f sequences in query parameters
• Outbound responses containing strings from wp-config.php such as DB_PASSWORD or AUTH_KEY
• Access log entries referencing wp-job-portal paths with unusual file parameters targeting /etc/passwd, .env, or WordPress configuration files
• Unexpected file read operations by the PHP-FPM or web server process outside the plugin directory

Detection Strategies

• Inspect web server access logs for requests to wp-job-portal action handlers containing traversal patterns
• Deploy WAF rules that block path traversal sequences in query strings targeting WordPress plugins
• Monitor for HTTP responses with content-type indicating file download originating from unexpected file paths
• Correlate plugin endpoint access with file read syscalls on sensitive paths

Monitoring Recommendations

• Enable verbose logging for the wp-job-portal plugin's file handling routines
• Alert on any successful 200 responses to traversal-pattern requests
• Audit the wp-content/plugins/wp-job-portal/ directory and installed version weekly until patched

How to Mitigate CVE-2025-48273

Immediate Actions Required

• Update WP Job Portal to a version newer than 2.3.2 once the vendor publishes a fix
• Disable or uninstall the WP Job Portal plugin if no patched version is available for your deployment
• Rotate WordPress secrets, database credentials, and API keys that may have been exposed through wp-config.php disclosure
• Restrict access to WordPress admin-ajax and plugin endpoints behind authentication or IP allowlists where feasible

Patch Information

Refer to the Patchstack advisory for the current fix status and remediated version. Apply the vendor patch as soon as it becomes available through the WordPress plugin directory.

Workarounds

• Deploy a web application firewall rule blocking ../ and encoded traversal sequences in requests to /wp-admin/admin-ajax.php with action=wp-job-portal*
• Use filesystem permissions to deny the web server read access to files outside wp-content/ where operationally feasible
• Move wp-config.php one directory above the WordPress root, a WordPress-supported configuration
• Temporarily deactivate the plugin until a patched release is installed

# Example ModSecurity rule blocking traversal in WP Job Portal requests
SecRule REQUEST_URI "@contains wp-job-portal" \
    "chain,deny,status:403,id:1004827,msg:'CVE-2025-48273 path traversal attempt'"
    SecRule ARGS "@rx (\.\./|%2e%2e%2f|%2e%2e/)" "t:lowercase,t:urlDecodeUni"