An Arbitrary File Upload vulnerability has been identified in the WordPress Olive One Click Demo Import Plugin. This vulnerability allows an attacker to upload any type of file to the affected website, including malicious files that could be used to take control of the website.

Credit for discovering and responsibly reporting this issue goes to deokhunKim.

The vulnerability is an Arbitrary File Upload vulnerability that occurs in the olive_one_click_demo_import.php file. The vulnerability allows an attacker to upload arbitrary files to the website by specifying a specially crafted URL.


The vulnerability has a CVSS 3.1 score of 9.1, which is considered to be critical. This means that the vulnerability is highly exploitable and could have a significant impact on the affected system.

Affected Versions:

The vulnerability affects all versions of the Olive One Click Demo Import Plugin prior to 1.0.9.


An attacker who successfully exploits this vulnerability could upload any type of file to the affected website, such as:

  • Backdoors
  • Viruses
  • Phishing scripts

This malicious code could then be executed by visitors to the website, potentially leading to a variety of security risks, such as:

  • Stealing personal information
  • Damaging the website’s files or database
  • Taking control of the website


Given the critical nature of this vulnerability and the absence of an official patch, immediate action is essential to support the website’s defenses:

  • Temporary Mitigation: Consult with security experts to implement interim security measures that can help mitigate the risks associated with this vulnerability until an official patch becomes available.
  • Strengthen Security Protocols: Enhance the website’s security posture by implementing robust authentication mechanisms, and access controls, and conducting regular security audits. Proactive security measures are pivotal in thwarting potential exploitation attempts.