CVE-2026-118090

WordPress MasterStudy LMS plugin <= 3.7.55 - PHP Object Injection vulnerability

Published Oct 30, 2026 CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Description
Subscriber PHP Object Injection in MasterStudy LMS <= 3.7.55 versions.

Remediation

Vendor Solution

Update to 3.7.56 or a higher version.

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Subscriber PHP Object Injection in MasterStudy LMS <= 3.7.55 versions.
Title WordPress MasterStudy LMS plugin <= 3.7.55 - PHP Object Injection vulnerability
Weaknesses CWE-502
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

Subscriptions

No data.

Weaknesses

Sources

Status
PUBLISHED
Assigner
Patchstack
Published
Updated
Oct 30, 2026, 6:50 PM
Reserved
Oct 27, 2026, 4:00 PM
Status
Deferred
Published
Oct 30, 2026, 7:18 PM
Modified
Oct 30, 2026, 7:22 PM