CVE-2026-42743

MEDIUMPre-NVD 6.56.5—
EchelonGraph scoreHIGH confidence

Score 6.5 from GitHub Security Advisory published 2026-06-15. the CNA's CVSS baseline 6.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cna:patchstack, epss, ghsa
Trending — 3 sources updated this week
6.5
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 6.5Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

Unauthenticated Broken Authentication in Masteriyo - LMS <= 2.1.8 versions.

CVSS v3
6.5
EG Score
6.5(high)
EPSS
4.0%
KEV
Not listed

Published

June 15, 2026

Last Modified

June 16, 2026

Advisory Details (1)

Auto-updated Jun 23, 2026
No patch confirmed yet.
generic

Broken Authentication in WordPress Masteriyo - LMS Plugin - Patchstack

https://patchstack.com/database/wordpress/plugin/learning-management-system/vulnerability/wordpress-masteriyo-lms-plugin-2-1-8-broken-authentication-vulnerability?_s_id=cve

Vendor Advisories for CVE-2026-42743(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 20× in last 7d / 66× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-06 16:27 UTCEPSS rescore
  2. 2026-07-06 16:27 UTCEPSS rescore
  3. 2026-07-06 03:42 UTCEG score recompute
  4. 2026-07-06 03:42 UTCGHSA enrichment
  5. 2026-07-06 02:23 UTCEPSS rescore
  6. 2026-07-06 02:23 UTCEPSS rescore
  7. 2026-07-05 02:30 UTCEPSS rescore
  8. 2026-07-05 01:44 UTCEG score recompute
  9. 2026-07-05 01:44 UTCGHSA enrichment
  10. 2026-07-04 06:31 UTCEPSS rescore
  11. 2026-07-03 23:58 UTCEG score recompute
  12. 2026-07-03 23:58 UTCGHSA enrichment
  13. 2026-07-02 22:29 UTCEG score recompute
  14. 2026-07-02 22:29 UTCGHSA enrichment
  15. 2026-07-01 21:01 UTCEG score recompute
  16. 2026-07-01 21:01 UTCGHSA enrichment
  17. 2026-07-01 15:06 UTCEPSS rescore
  18. 2026-06-30 23:22 UTCEPSS rescore
  19. 2026-06-30 19:31 UTCEG score recompute
  20. 2026-06-30 19:31 UTCGHSA enrichment
  21. 2026-06-29 18:01 UTCEG score recompute
  22. 2026-06-29 18:00 UTCGHSA enrichment
  23. 2026-06-29 14:06 UTCEPSS rescore
  24. 2026-06-28 16:22 UTCEG score recompute
  25. 2026-06-28 16:22 UTCGHSA enrichment
Show 41 more
  1. 2026-06-28 14:07 UTCEPSS rescore
  2. 2026-06-28 04:56 UTCEPSS rescore
  3. 2026-06-27 14:53 UTCEG score recompute
  4. 2026-06-27 14:53 UTCGHSA enrichment
  5. 2026-06-27 03:08 UTCEPSS rescore
  6. 2026-06-26 13:24 UTCEG score recompute
  7. 2026-06-26 13:23 UTCGHSA enrichment
  8. 2026-06-25 13:49 UTCEPSS rescore
  9. 2026-06-25 13:49 UTCEPSS rescore
  10. 2026-06-25 11:54 UTCEG score recompute
  11. 2026-06-25 11:54 UTCGHSA enrichment
  12. 2026-06-24 14:05 UTCEPSS rescore
  13. 2026-06-24 10:26 UTCEG score recompute
  14. 2026-06-24 10:25 UTCGHSA enrichment
  15. 2026-06-23 21:33 UTCEPSS rescore
  16. 2026-06-23 08:38 UTCEG score recompute
  17. 2026-06-23 08:37 UTCGHSA enrichment
  18. 2026-06-22 14:25 UTCEPSS rescore
  19. 2026-06-22 14:25 UTCEPSS rescore
  20. 2026-06-22 07:08 UTCEG score recompute
  21. 2026-06-22 07:08 UTCGHSA enrichment
  22. 2026-06-21 14:56 UTCEPSS rescore
  23. 2026-06-21 14:56 UTCEPSS rescore
  24. 2026-06-21 05:31 UTCEG score recompute
  25. 2026-06-21 05:31 UTCGHSA enrichment
  26. 2026-06-21 01:59 UTCEPSS rescore
  27. 2026-06-20 03:57 UTCEG score recompute
  28. 2026-06-20 03:56 UTCGHSA enrichment
  29. 2026-06-19 19:25 UTCEPSS rescore
  30. 2026-06-19 02:23 UTCEG score recompute
  31. 2026-06-19 02:23 UTCGHSA enrichment
  32. 2026-06-18 17:52 UTCEPSS rescore
  33. 2026-06-18 17:52 UTCEPSS rescore
  34. 2026-06-18 00:55 UTCEG score recompute
  35. 2026-06-18 00:54 UTCGHSA enrichment
  36. 2026-06-17 17:53 UTCEPSS rescore
  37. 2026-06-16 23:18 UTCEG score recompute
  38. 2026-06-16 23:18 UTCGHSA enrichment
  39. 2026-06-16 17:52 UTCEPSS rescore
  40. 2026-06-15 21:48 UTCEG score recompute
  41. 2026-06-15 21:48 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2026-42743?
CVE-2026-42743 is a medium vulnerability published on June 15, 2026. Unauthenticated Broken Authentication in Masteriyo - LMS <= 2.1.8 versions.
When was CVE-2026-42743 disclosed?
CVE-2026-42743 was first published in the National Vulnerability Database on June 15, 2026, with the most recent update on June 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-42743 actively exploited?
CVE-2026-42743 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 4.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-42743?
CVE-2026-42743 has a CVSS v4.0 base score of 6.5 (CNA self-assessment; NVD's own analysis pending).
How do I remediate CVE-2026-42743?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-42743, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2026-42743

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