CVE-2025-59576
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedMissing Authorization vulnerability in Stylemix MasterStudy LMS masterstudy-lms-learning-management-system allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects MasterStudy LMS: from n/a through <= 3.6.20.
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · moderate confidenceMissing authorization vulnerability in MasterStudy LMS plugin allows users to exploit incorrectly configured access control security levels, potentially enabling unauthorized access to learning management functionality or data that should require higher privileges.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Network
- Complexity
- Low
- Privileges
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- High
- Availability
- None
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
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Confirm MasterStudy LMS plugin installationIn WordPress admin, navigate to Plugins > Installed Plugins and verify MasterStudy LMS is present and activeAffected if MasterStudy LMS plugin is installed and active in WordPress
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Identify installed MasterStudy LMS versionIn WordPress admin, go to Plugins > Installed Plugins, locate MasterStudy LMS, and record the version number displayedAffected if Version cannot be determined or is older than the patched release (no specific version range provided)
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Review WordPress user roles with MasterStudy accessNavigate to MasterStudy LMS > Users or Roles settings and enumerate all user roles that have access to LMS functionality. Document which roles can access admin, instructor, or student featuresAffected if Roles are assigned permissions beyond their intended security level, or lower-privileged roles can access higher-privilege functionality
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Test sensitive endpoint access controlsUsing a lower-privileged account (e.g., student), attempt to access endpoints that should require higher privileges such as course creation, user management, or analytics pages. Record any successful unauthorized accessAffected if Lower-privileged users can access or modify data or functionality reserved for administrators or instructors
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Audit capability checks on LMS functionsInspect MasterStudy LMS settings for role-based access control (RBAC) or capability configurations. Verify each sensitive function (course management, user data access, settings modification) has explicit capability requirementsAffected if Missing or misconfigured capability checks are found, allowing privilege escalation
Environment is affected if MasterStudy LMS is installed and users with lower privileges can access LMS functionality or data that should require higher privileges due to missing or incorrect authorization checks.
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
From vendor dataUpdate MasterStudy LMS to the latest patched version once available. Until then, review and enforce proper capability checks and role-based access controls on all sensitive endpoints within the plugin.
- Consultation4.0 h
- Implementation8.0 h
- Testing6.0 h
- Review / QA4.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $6,176.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2025-59576 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2025-59576 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.
- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
- No weaponised exploit code, or anything meant to cause harm
- No spam, self-promotion, credentials, or personal data