CVE-2020-36333 Scanner

ThemeGrill Demo Importer is a popular plugin connected to WordPress, aimed at helping users import demo content and settings for setup convenience. Developed by ThemeGrill, this tool is frequently leveraged by WordPress site developers and administrators globally to streamline site deployment. The plugin is designed to function seamlessly with WordPress themes provided by ThemeGrill, ensuring users can swiftly establish aesthetically consistent and functional websites. Many users rely on this plugin for its ease of use and compatibility with various WordPress features. However, due to the large-scale deployment of ThemeGrill Demo Importer, ensuring the security of this plugin is critical.

The unauthorized admin access vulnerability within ThemeGrill Demo Importer potentially affects all versions below 1.6.2. This critical vulnerability arises from a failure to require authentication during a database reset action, leading to unauthenticated users being able to access administrative privileges. The absence of proper authorization checks can be exploited by remote attackers to gain admin access and wipe the database. Recognized under CVE-2020-36333, this vulnerability underscores the critical importance of secure software practices. Immediate patching is urged to protect users and data from malicious exploitation.

Technically, the vulnerability is present within a 'reset_wizard_actions' hook that lacks authentication checks. The endpoint, 'admin-post.php?do_reset_wordpress=1', allows attackers to trigger the database reset by crafting a simple HTTP GET request. Matching this with the condition 'len(body)==0' and a status code of 302, attackers can confirm the exploit success if the headers contain 'wordpress_logged_in_' and 'reset=true'. Without an authentication layer, the exposed endpoint becomes exploitable, providing gateway to unauthorized database alteration and admin seat takeover.

When exploited by malicious actors, this vulnerability has severe repercussions, leading to database compromises and unauthorized control over WordPress sites. Attackers may erase all stored data, reverting the site to its default state, and log in as administrators, jeopardizing the integrity, confidentiality, and availability of information. This change can lead to extended downtime, loss of consumer trust, and potential data breaches. Website administrators must address this vulnerability to prevent malicious damage and safeguard user data.

REFERENCES

• https://www.openwall.com/lists/oss-security/2020/02/19/1
• https://nvd.nist.gov/vuln/detail/CVE-2020-36333