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VulnerabilityCVE-2026-11773Published 2026-06-27

CVE-2026-11773 — masteriyo LMS – LMS Course Builder, Quizzes & Certificates

medium

As of 2026-06-27, CVE-2026-11773 is a MEDIUM-severity vulnerability in masteriyo LMS – LMS Course Builder, Quizzes & Certificates, CVSS v3.1 4.3. No Threadlinqs-tracked threat campaign has been attributed to CVE-2026-11773 as of 2026-06-27; the identifier is re-checked against the Threadlinqs threat corpus on every daily ingest.

CVSS v3.1
4.3/10Medium
EPSS
—No EPSS score yet
CISA KEV
NoNot in the KEV catalog
Tracked threats
0None linked yet
Priority
2.2/10Threadlinqs triage score
Published
CVSS v3.1 4.3 (MEDIUM) · Priority 2.2/10 · Published 2026-06-27

Last updated:

What is CVE-2026-11773?

The Masteriyo LMS – LMS Course Builder, Quizzes & Certificates plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 2.2.1. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for authenticated attackers, with student-level access and above, to modify the description (post content) of arbitrary course announcements authored by instructors or administrators.

The record classifies CVE-2026-11773 under weakness class CWE-862. Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs low-privilege credentials, needs no user interaction. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 100 days ago.

Severity and exploitation probability

CVSS v3.1 base score
4.3 — MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
CISA KEV
Not listed in the CISA Known Exploited Vulnerabilities catalog
Threadlinqs priority
2.2/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
Published
2026-06-27

Is CVE-2026-11773 being exploited?

It currently carries a trending score of 30 in the Threadlinqs vulnerability feed.

Affected products and versions

  • masteriyo: LMS – LMS Course Builder, Quizzes & Certificates

How to fix CVE-2026-11773

No vendor patch reference has been recorded for CVE-2026-11773 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

Threat activity tracking CVE-2026-11773

No threat campaign in the Threadlinqs corpus currently references CVE-2026-11773, in its CVE list or as an indicator. The linkage is recomputed from the live corpus on every daily ingest, so this section fills in as soon as a tracked campaign cites the identifier.

Sources

Enriched from CVE.org, NVD. Last verified by Threadlinqs on . This product uses the NVD API but is not endorsed or certified by the NVD.

Other references

Showing 5 of 6 recorded references.