Site Deletion Vulnerability in Hashthemes Plugin

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On August 25, 2021, the Wordfence Threat Intelligence team initiated the disclosure process for a vulnerability in Hashthemes Demo Importer, a WordPress plugin with over 7,000 installations.

This vulnerability allowed any authenticated user to completely reset a site, permanently deleting nearly all database content as well as all uploaded media.

As we did not receive a response from the developer for nearly a month, we contacted the WordPress plugins team with our disclosure on September 20, 2021. The plugin was temporarily removed from the repository the same day, and a patched version, 1.1.2, was made available on September 24, 2021, though it was not mentioned in the developer changelog.

Wordfence Premium customers received a firewall rule protecting against this vulnerability on August 25, 2021. Sites running the free version of Wordfence received the same rule 30 days later, on September 24, 2021.

Description: Improper Access Control allowing content deletion
Affected Plugin: Hashthemes Demo Importer
Plugin Slug: hashthemes-demo-importer
Plugin Vendor: Hashthemes
Affected Versions: <= 1.1.1
CVE ID: CVE-2021-39333
CVSS Score: 8.1(High)
CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Researcher/s: Ramuel Gall

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Read More: https://www.wordfence.com/blog/2021/10/site-deletion-vulnerability-in-hashthemes-plugin/