Is CVE-2026-49111 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-49111 being exploited in the wild.

How severe is CVE-2026-49111?

High severity, with a CVSS score of 8.8, published 15 June 2026.

Which products and versions are affected?

ThemeGrill Masteriyo up to 2.2.0.

Is there a fix for CVE-2026-49111?

A patch was published on 2026-06-08: Version 2.2.1 released to address the issue Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

How is CVE-2026-49111 attacked?

It is attacked over the network, in a web application.

Am I affected by CVE-2026-49111?

Check whether you run ThemeGrill Masteriyo at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

CVE-2026-49111: ThemeGrill Masteriyo LMS privilege escalation

CVE-2026-49111 · Severity: high · CVSS 8.8 · Published 2026-06-15

ThemeGrill Masteriyo, a popular Learning Management System (LMS) plugin for WordPress, contains a security flaw that allows users with low-level access to gain administrative control. By exploiting this vulnerability, a malicious user could take over the entire website, potentially leading to data theft, site defacement, or complete service disruption. This is particularly critical for educational platforms that handle student data and course content.

Vendors: ThemeGrill.

Quick answers

Is CVE-2026-49111 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-49111 being exploited in the wild.
How severe is CVE-2026-49111?: High severity, with a CVSS score of 8.8, published 15 June 2026.
Which products and versions are affected?: ThemeGrill Masteriyo up to 2.2.0.
Is there a fix for CVE-2026-49111?: A patch was published on 2026-06-08: Version 2.2.1 released to address the issue Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-49111 attacked?: It is attacked over the network, in a web application.
Am I affected by CVE-2026-49111?: Check whether you run ThemeGrill Masteriyo at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

An Incorrect Privilege Assignment vulnerability (CWE-266) exists in the ThemeGrill Masteriyo - LMS plugin for WordPress through version 2.2.0. The flaw allows an authenticated attacker with basic 'Subscriber' level permissions to escalate their privileges to a higher level, potentially reaching administrative status. This is achieved via a network-based attack with low complexity and no user interaction required. Successful exploitation grants the attacker full control over the WordPress environment. The issue is addressed in version 2.2.1.

Affected products

ThemeGrill Masteriyo - LMS up to 2.2.0

Timeline

2026-05-12: other: Reported by researcher daroo
2026-06-08: advisory: Patchstack advisory published
2026-06-15: disclosed: NVD publication date
2026-06-08: patched: Version 2.2.1 released to address the issue

References

https://patchstack.com/database/wordpress/plugin/learning-management-system/vulnerability/wordpress-masteriyo-lms-plugin-2-2-0-privilege-escalation-vulnerability?_s_id=cve

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