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CVE-2023-4278: masterstudy lms vulnerability
CVE-2023-4278: high vulnerability affecting masterstudy lms. Check CVSS, KEV status, business impact and recommended administrator actions.
- CVSS
- 7.5 HIGH
- EPSS
- 87.92%
- Known exploited
- not in KEV
- Product
- masterstudy lms
What is known
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.
Business impact
Successful exploitation of CVE-2023-4278, a high vulnerability (CVSS 7.5) affecting masterstudy lms, may affect the confidentiality, integrity or availability of the vulnerable environment. The exact impact depends on the installed version, exposed interfaces and deployment configuration.
Recommended administrator action
Confirm whether masterstudy lms is present and compare installed versions with the vendor advisory and NVD record. Apply the vendor patch or documented mitigation; until remediation is complete, reduce exposure of affected interfaces, review relevant logs and monitor for indicators of exploitation. DataHouse can support version verification, managed patching, network exposure reduction, log review and backup validation for dedicated, cloud and colocated environments.