Open Redirect Vulnerability in MasterStudy LMS Plugin for WordPress
CVE-2026-81342
Currently unrated
Key Information:
- Vendor
WordPress
- Vendor
- CVE Published:
- 29 August 2026
Badges
👾 Exploit Exists🟡 Public PoC
What is CVE-2026-81342?
The MasterStudy LMS WordPress plugin prior to version 3.7.43 contains a vulnerability that fails to properly validate redirect parameters during user registration. This flaw permits unauthenticated users to manipulate the registration process, enabling them to redirect legitimate users to potentially harmful external URLs. This vulnerability poses a significant threat as it can be exploited to facilitate phishing attacks and other malicious activities, compromising the integrity of the website and its users.
Affected Version(s)
MasterStudy LMS WordPress Plugin 0 < 3.7.43
Exploit Proof of Concept (PoC)
PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.