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OpenAdvisories
High · 7.5 Public exploit CVE-2023-4278 EUVD-2023-54149GHSA-522j-v5mv-h6mw

MasterStudy LMS < 3.0.18 - Unauthenticated Instructor Account Creation

Published Sep 11, 2023 · Updated Apr 23, 2025 · Assigned by WPScan

Description

The MasterStudy LMS WordPress Plugin WordPress plugin before 3.0.18 does not have proper checks in place during registration allowing anyone to register on the site as an instructor. They can then add courses and/or posts.

Affected products

VendorProductAffectedFixed
— MasterStudy LMS WordPress Plugin < 3.0.18 3.0.18

Public exploits

Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.

Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.

GitHub 1 repository

  • revan-ar/CVE-2023-4278 ★ 0 · Sep 4, 2023

    Wordpress Plugin Masterstudy LMS <= 3.0.17 - Unauthenticated Instructor Account Creation.

Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.

References