CVE-2026-28145

MEDIUMPre-NVD 5.35.3—
EchelonGraph scoreMEDIUM 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(medium)
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
1%
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 19× in last 7d / 77× 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.

Showing the most recent 100 of 134 total refreshes for this CVE.

  1. 2026-09-19 04:06 UTCEG score recompute
  2. 2026-09-19 04:06 UTCGHSA enrichment
  3. 2026-09-18 19:28 UTCEPSS rescore
  4. 2026-09-18 19:27 UTCEPSS rescore
  5. 2026-09-18 04:03 UTCEG score recompute
  6. 2026-09-18 04:03 UTCGHSA enrichment
  7. 2026-09-17 19:30 UTCEPSS rescore
  8. 2026-09-17 04:46 UTCEG score recompute
  9. 2026-09-17 04:46 UTCGHSA enrichment
  10. 2026-09-16 14:08 UTCEPSS rescore
  11. 2026-09-16 05:29 UTCEG score recompute
  12. 2026-09-16 05:29 UTCGHSA enrichment
  13. 2026-09-16 05:15 UTCEPSS rescore
  14. 2026-09-15 03:27 UTCEG score recompute
  15. 2026-09-15 03:27 UTCGHSA enrichment
  16. 2026-09-14 04:10 UTCEG score recompute
  17. 2026-09-14 04:10 UTCGHSA enrichment
  18. 2026-09-13 16:47 UTCEPSS rescore
  19. 2026-09-13 04:54 UTCGHSA enrichment
  20. 2026-09-12 05:37 UTCEG score recompute
  21. 2026-09-12 05:37 UTCGHSA enrichment
  22. 2026-09-11 14:52 UTCEPSS rescore
  23. 2026-09-11 06:15 UTCEG score recompute
  24. 2026-09-11 06:15 UTCGHSA enrichment
  25. 2026-09-10 09:34 UTCEPSS rescore
Show 75 more
  1. 2026-09-10 06:57 UTCGHSA enrichment
  2. 2026-09-09 07:05 UTCEG score recompute
  3. 2026-09-09 07:05 UTCGHSA enrichment
  4. 2026-09-08 22:00 UTCEPSS rescore
  5. 2026-09-07 19:34 UTCEG score recompute
  6. 2026-09-07 19:34 UTCGHSA enrichment
  7. 2026-09-07 16:01 UTCEPSS rescore
  8. 2026-09-06 13:47 UTCEPSS rescore
  9. 2026-09-06 13:47 UTCEPSS rescore
  10. 2026-09-06 09:26 UTCEG score recompute
  11. 2026-09-06 09:26 UTCGHSA enrichment
  12. 2026-09-05 09:50 UTCEG score recompute
  13. 2026-09-05 09:50 UTCGHSA enrichment
  14. 2026-09-04 10:33 UTCEG score recompute
  15. 2026-09-04 10:33 UTCGHSA enrichment
  16. 2026-09-04 05:06 UTCEPSS rescore
  17. 2026-09-03 09:13 UTCEG score recompute
  18. 2026-09-03 09:13 UTCGHSA enrichment
  19. 2026-09-02 14:11 UTCEPSS rescore
  20. 2026-09-01 22:43 UTCEG score recompute
  21. 2026-09-01 22:43 UTCGHSA enrichment
  22. 2026-09-01 13:53 UTCEPSS rescore
  23. 2026-09-01 04:39 UTCEPSS rescore
  24. 2026-09-01 04:39 UTCEPSS rescore
  25. 2026-08-31 23:26 UTCGHSA enrichment
  26. 2026-08-30 21:39 UTCEG score recompute
  27. 2026-08-30 21:39 UTCGHSA enrichment
  28. 2026-08-30 19:17 UTCEPSS rescore
  29. 2026-08-30 01:22 UTCEPSS rescore
  30. 2026-08-29 22:22 UTCEG score recompute
  31. 2026-08-29 22:22 UTCGHSA enrichment
  32. 2026-08-28 21:41 UTCEPSS rescore
  33. 2026-08-27 14:25 UTCEPSS rescore
  34. 2026-08-27 13:44 UTCEG score recompute
  35. 2026-08-27 13:44 UTCGHSA enrichment
  36. 2026-08-26 14:46 UTCEPSS rescore
  37. 2026-08-26 14:27 UTCGHSA enrichment
  38. 2026-08-25 15:10 UTCEG score recompute
  39. 2026-08-25 15:10 UTCGHSA enrichment
  40. 2026-08-25 13:49 UTCEPSS rescore
  41. 2026-08-24 15:51 UTCEG score recompute
  42. 2026-08-24 15:51 UTCGHSA enrichment
  43. 2026-08-24 14:17 UTCEPSS rescore
  44. 2026-08-23 16:33 UTCEG score recompute
  45. 2026-08-23 16:33 UTCGHSA enrichment
  46. 2026-08-23 00:19 UTCEPSS rescore
  47. 2026-08-22 17:17 UTCEG score recompute
  48. 2026-08-22 17:17 UTCGHSA enrichment
  49. 2026-08-21 23:49 UTCEPSS rescore
  50. 2026-08-21 18:00 UTCEG score recompute
  51. 2026-08-21 18:00 UTCGHSA enrichment
  52. 2026-08-20 22:55 UTCEPSS rescore
  53. 2026-08-20 18:43 UTCGHSA enrichment
  54. 2026-08-19 19:26 UTCEG score recompute
  55. 2026-08-19 19:26 UTCGHSA enrichment
  56. 2026-08-19 17:03 UTCEPSS rescore
  57. 2026-08-18 18:26 UTCEG score recompute
  58. 2026-08-18 18:26 UTCGHSA enrichment
  59. 2026-08-18 13:48 UTCEPSS rescore
  60. 2026-08-17 17:38 UTCEG score recompute
  61. 2026-08-17 17:37 UTCGHSA enrichment
  62. 2026-08-17 13:47 UTCEPSS rescore
  63. 2026-08-16 18:18 UTCEG score recompute
  64. 2026-08-16 18:18 UTCGHSA enrichment
  65. 2026-08-16 14:56 UTCEPSS rescore
  66. 2026-08-16 02:14 UTCEPSS rescore
  67. 2026-08-15 19:01 UTCEG score recompute
  68. 2026-08-15 19:01 UTCGHSA enrichment
  69. 2026-08-15 01:30 UTCEPSS rescore
  70. 2026-08-14 19:43 UTCEG score recompute
  71. 2026-08-14 19:43 UTCGHSA enrichment
  72. 2026-08-13 22:00 UTCEPSS rescore
  73. 2026-08-13 20:26 UTCGHSA enrichment
  74. 2026-08-12 21:09 UTCEG score recompute
  75. 2026-08-12 21:09 UTCGHSA enrichment

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 98.7% 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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