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WordPress WP Time Capsule Arbitrary File Upload to RCE

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WordPress WP Time Capsule Arbitrary File Upload to RCE

Disclosed
11/15/2024
Created
12/13/2024

Description

This module exploits an arbitrary file upload vulnerability in the WordPress WP Time Capsule plugin (versions <= 1.22.21). The vulnerability allows uploading a malicious PHP file to achieve remote code execution (RCE). The validation logic in the vulnerable function improperly checks for allowed extensions. If no valid extension is found, the check can be bypassed by using a filename of specific length (e.g., "00.php") matching the length of allowed extensions like ".crypt".

Author(s)

  • Valentin Lobstein
  • Rein Daelman

Platform

Linux,PHP,Unix,Windows

Architectures

php, cmd

Development

Module Options

To display the available options, load the module within the Metasploit console and run the commands 'show options' or 'show advanced':

msf > use exploit/multi/http/wp_time_capsule_file_upload_rce
msf exploit(wp_time_capsule_file_upload_rce) > show targets
    ...targets...
msf exploit(wp_time_capsule_file_upload_rce) > set TARGET < target-id >
msf exploit(wp_time_capsule_file_upload_rce) > show options
    ...show and set options...
msf exploit(wp_time_capsule_file_upload_rce) > exploit

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– Jim O’Gorman | President, Offensive Security

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