CVE-2026-49111
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 · uneditedIncorrect Privilege Assignment vulnerability in ThemeGrill Masteriyo - LMS allows Privilege Escalation. This issue affects Masteriyo - LMS: from n/a through 2.2.0.
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 confidenceThis is a privilege escalation vulnerability in the ThemeGrill Masteriyo WordPress LMS plugin where incorrect privilege assignment allows lower-privileged users to gain higher access levels. The vulnerability stems from improper capability or role validation in the plugin, likely allowing authenticated users to perform administrative actions they should not have permission to execute.
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
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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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Verify Masteriyo LMS plugin is installedIn WordPress admin, go to Plugins > Installed Plugins and look for 'Masteriyo - LMS' or check the file system at /wp-content/plugins/masteriyo/ for the plugin directory. Check the plugin header for the version number.Affected if Masteriyo LMS plugin is installed and running
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Confirm installed version against affected releasesCompare your installed Masteriyo version number (found in plugin header or readme.txt) to the official CVE disclosure or Masteriyo changelog to determine if your version falls before the patched release.Affected if Version is older than the patched release (check Masteriyo release notes for the fix date)
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Determine if user registration is enabledNavigate to WordPress Settings > General and check 'Membership: Anyone can register' is enabled. Also check Masteriyo plugin settings for any learner/user registration options.Affected if User registration is enabled, providing authenticated users who could exploit the privilege escalation
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Review user accounts for unexpected administratorsGo to Users > All Users in WordPress admin. Examine the list for any administrator accounts you did not create, or accounts with elevated roles that correspond to lower-privileged users who may have escalated their access.Affected if Unexpected administrator accounts exist or lower-privileged users have been granted admin capabilities
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Audit role and capability assignments in MasteriyoCheck Masteriyo settings for role management or capability configuration. Look for any custom role definitions that grant administrative capabilities to instructor, student, or other non-admin roles.Affected if Non-administrative roles have been assigned elevated capabilities they should not possess
If Masteriyo LMS is installed with user registration enabled and the version predates the security patch, the environment is likely affected by this privilege escalation vulnerability.
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 Masteriyo - LMS to the latest patched version as soon as available. If no patch exists, audit user roles and capabilities within the plugin, disable any unnecessary user registration features, and consider restricting administrative access until a fix is released.
- Consultation2.0 h
- Implementation4.0 h
- Testing3.0 h
- Review / QA2.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2026-49111 — 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-2026-49111 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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- 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
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