CVE-2026-28145

MEDIUMPre-NVD 5.35.3—
EchelonGraph scoreHIGH confidence

Score 5.3 from GitHub Security Advisory published 2026-07-31. a secondary CVSS source baseline 5.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
5.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.3Exploit: None knownExposed: 0

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

Insufficient Verification of Data Authenticity vulnerability in StylemixThemes MasterStudy LMS allows Manipulating User State.

This issue affects MasterStudy LMS: from n/a through 3.7.39.

CVSS v3
5.3
EG Score
5.3(high)
EG Risk
39(Track)
EG Risk 39/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity53% × 45%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
2%
KEV
Not listed

Published

July 31, 2026

Last Modified

August 12, 2026

Advisory Details (1)

Auto-updated Jul 31, 2026
No patch confirmed yet.
generic

Broken Access Control in WordPress MasterStudy LMS Plugin - Patchstack

https://patchstack.com/database/wordpress/plugin/masterstudy-lms-learning-management-system/vulnerability/wordpress-masterstudy-lms-plugin-3-7-39-broken-access-control-vulnerability?_s_id=cve

Vendor Advisories for CVE-2026-28145(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 / 58× 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. 2026-08-20 22:55 UTCEPSS rescore
  2. 2026-08-20 18:43 UTCGHSA enrichment
  3. 2026-08-19 19:26 UTCEG score recompute
  4. 2026-08-19 19:26 UTCGHSA enrichment
  5. 2026-08-19 17:03 UTCEPSS rescore
  6. 2026-08-18 18:26 UTCEG score recompute
  7. 2026-08-18 18:26 UTCGHSA enrichment
  8. 2026-08-18 13:48 UTCEPSS rescore
  9. 2026-08-17 17:38 UTCEG score recompute
  10. 2026-08-17 17:37 UTCGHSA enrichment
  11. 2026-08-17 13:47 UTCEPSS rescore
  12. 2026-08-16 18:18 UTCEG score recompute
  13. 2026-08-16 18:18 UTCGHSA enrichment
  14. 2026-08-16 14:56 UTCEPSS rescore
  15. 2026-08-16 02:14 UTCEPSS rescore
  16. 2026-08-15 19:01 UTCEG score recompute
  17. 2026-08-15 19:01 UTCGHSA enrichment
  18. 2026-08-15 01:30 UTCEPSS rescore
  19. 2026-08-14 19:43 UTCEG score recompute
  20. 2026-08-14 19:43 UTCGHSA enrichment
  21. 2026-08-13 22:00 UTCEPSS rescore
  22. 2026-08-13 20:26 UTCGHSA enrichment
  23. 2026-08-12 21:09 UTCEG score recompute
  24. 2026-08-12 21:09 UTCGHSA enrichment
  25. 2026-08-12 13:50 UTCEPSS rescore
Show 33 more
  1. 2026-08-12 06:40 UTCGHSA enrichment
  2. 2026-08-11 07:23 UTCEG score recompute
  3. 2026-08-11 07:23 UTCGHSA enrichment
  4. 2026-08-11 00:00 UTCEPSS rescore
  5. 2026-08-10 08:06 UTCEG score recompute
  6. 2026-08-10 08:06 UTCGHSA enrichment
  7. 2026-08-09 13:46 UTCEPSS rescore
  8. 2026-08-09 08:50 UTCEG score recompute
  9. 2026-08-09 08:50 UTCGHSA enrichment
  10. 2026-08-08 16:37 UTCEPSS rescore
  11. 2026-08-08 09:33 UTCEG score recompute
  12. 2026-08-08 09:33 UTCGHSA enrichment
  13. 2026-08-07 10:16 UTCEG score recompute
  14. 2026-08-07 10:16 UTCGHSA enrichment
  15. 2026-08-06 13:46 UTCEPSS rescore
  16. 2026-08-06 11:00 UTCEG score recompute
  17. 2026-08-06 10:59 UTCGHSA enrichment
  18. 2026-08-05 19:17 UTCEPSS rescore
  19. 2026-08-05 11:43 UTCGHSA enrichment
  20. 2026-08-04 12:26 UTCEG score recompute
  21. 2026-08-04 12:26 UTCGHSA enrichment
  22. 2026-08-03 12:15 UTCEG score recompute
  23. 2026-08-03 12:15 UTCGHSA enrichment
  24. 2026-08-03 10:36 UTCEPSS rescore
  25. 2026-08-02 12:58 UTCEG score recompute
  26. 2026-08-02 12:58 UTCGHSA enrichment
  27. 2026-08-02 02:26 UTCEPSS rescore
  28. 2026-08-01 13:41 UTCEG score recompute
  29. 2026-08-01 13:41 UTCGHSA enrichment
  30. 2026-07-31 14:24 UTCEG score recompute
  31. 2026-07-31 14:09 UTCEG score recompute
  32. 2026-07-31 13:59 UTCEG score recompute
  33. 2026-07-31 13:58 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-28145?
CVE-2026-28145 is a medium vulnerability published on July 31, 2026. Insufficient Verification of Data Authenticity vulnerability in StylemixThemes MasterStudy LMS allows Manipulating User State. This issue affects MasterStudy LMS: from n/a through 3.7.39.
When was CVE-2026-28145 disclosed?
CVE-2026-28145 was first published in the National Vulnerability Database on July 31, 2026, with the most recent update on August 12, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-28145 actively exploited?
CVE-2026-28145 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 98.5% of all scored CVEs.
What is the CVSS score of CVE-2026-28145?
CVE-2026-28145 has a CVSS v3 base score of 5.3 (NVD).
How do I remediate CVE-2026-28145?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-28145, 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

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