What’s Vulnerable › Vulnerabilities

CVE-2026-78284: WordPress MasterStudy LMS plugin <= 3.7.42 - Arbitrary File Deletion vulnerability

• Severity: high (CVSS 8.6 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-24 · updated 2026-10-12
• Weakness: CWE-22

Description

Unauthenticated Arbitrary File Deletion in MasterStudy LMS <= 3.7.42 versions.

Affected products

• MasterStudy LMS WordPress Plugin: through 3.7.42

References

• https://patchstack.com/database/wordpress/plugin/masterstudy-lms-learning-management-system/vulnerability/wordpress-masterstudy-lms-plugin-3-7-42-arbitrary-file-deletion-vulnerability?_s_id=cve

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