Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
AV AC PR UI S C I A CVSS EPSS %ile KEV N L H R U H H H 6.8 .0043 35.1 —
AFFECTED Product Versions Fixed Masteriyo LMS 1.18.0 – —
TIMELINE Aug 31 Reserved by WPScan Sep 5 Published (CNA: WPScan) Sep 6 EXPLOIT PUBLISHED — CVE-2026-82846 (Unknown Masteriyo LMS). Public exploit reference added.
The Masteriyo LMS WordPress plugin before 3.4.0 does not sanitise and escape some course settings before outputting them in a page available to all visitors, allowing users with a course-author role to perform Stored Cross-Site Scripting attacks that run in the session of anyone viewing the course, including a logged-in administrator.
| Date | Event | Detail |
|---|---|---|
| August 31, 2026 | Reserved | Reserved by WPScan |
| September 5, 2026 | Published | Published (CNA: WPScan) |
| September 6, 2026 | EXPLOIT PUBLISHED | EXPLOIT PUBLISHED — CVE-2026-82846 (Unknown Masteriyo LMS). Public exploit reference added. |
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
|---|---|---|---|---|
| Unknown | Masteriyo LMS | — | 1.18.0 | — |
Authoritative record: CVE-2026-82846 at cve.org
Weaknesses: CWE-79
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-82846 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Sunday, October 4, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.
