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Fencer Vulns
critical 9.1

CVE-2024-5973 json

MasterStudy LMS < 3.3.24 - Privilege Escalation to Instructor

published 2024-07-22 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-47094

cvss
9.1
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 42%
public exploits
0
none known

Summary

The MasterStudy LMS WordPress Plugin WordPress plugin before 3.3.24 does not prevent students from creating instructor accounts, which could be used to get access to functionalities they shouldn't have.

Patch / fix

  • Unknown MasterStudy LMS WordPress Plugin 3.3.24
  • masterstudy_lms_wordpress_plugin masterstudy_lms_wordpress_plugin 3.3.24

CISA SSVC

Exploitation
Proof of concept is public
Automatable
yes
Technical impact
total
Assessed
2 y ago

Exploit prediction

0.49% chance of exploitation in the next 30 days, higher than 42% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • wpscan.com https://wpscan.com/vulnerability/59abfb7c-d5ea-45f2-ab9a-4391978e3805/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
NVD 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA 3.1 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Affected products

  • Unknown MasterStudy LMS WordPress Plugin
  • masterstudy_lms_wordpress_plugin masterstudy_lms_wordpress_plugin

Classification

Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.