CVE-2023-4278

The MasterStudy LMS WordPress Plugin WordPress plugin before 3.0.18 does not have proper checks in place during registration allowing anyone to register on the site as an instructor. They can then add courses and/or posts.

CVSS v3.1

7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

CVSS v3.1

7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

EPSS

5.21% chance of exploitation in the next 30 days, 92th percentile

Published

2023-09-11

Updated

2025-04-23

Proof-of-concept exploits (2)

• https://wpscan.com/vulnerability/cb3173ec-9891-4bd8-9d05-24fe805b5235
• revan-ar/CVE-2023-42780★ · 2023-09-04

ExploitDB entries (1)

• https://www.exploit-db.com/exploits/51735

References

• CVE Record
• NVD entry

Related

• CVE-2023-42756
• CVE-2023-42787
• CVE-2023-42755
• CVE-2023-42788
• CVE-2023-42754
• CVE-2023-42789