CVE-2023-35090: 
WordPress vulnerability analysis and mitigation

A Stored Cross-Site Scripting (XSS) vulnerability was discovered in StylemixThemes MasterStudy LMS WordPress Plugin versions 3.0.7 and below. The vulnerability was identified on June 22, 2023, and affects authenticated users with contributor or higher privileges (NVD, Patchstack).

The vulnerability has been assigned CVE-2023-35090 and received a CVSS v3.1 base score of 5.4 (Medium) from NIST and 6.5 (Medium) from Patchstack. The vulnerability is classified as CWE-79 (Improper Neutralization of Input During Web Page Generation) and requires authenticated access with contributor-level privileges or higher to exploit (NVD).

If exploited, this vulnerability could allow malicious actors to inject malicious scripts, including redirects, advertisements, and other HTML payloads into the website. These injected scripts would be executed when guests visit the affected site (Patchstack).

The vulnerability has been patched in version 3.0.9 of the MasterStudy LMS plugin. Users are advised to update to version 3.0.9 or later to remediate this security issue. Patchstack has also issued a virtual patch to mitigate this issue by blocking potential attacks until users can update to the fixed version (Patchstack).