CVE-2026-81200: unknown masterstudy lms wordpress plugin
Vulnerability summary
CVE-2026-81200 is a medium (CVSS 4.3) vulnerability in unknown masterstudy lms wordpress plugin. EPSS estimates a 0.30% chance of exploitation in the next 30 days, higher than 21.1% of scored vulnerabilities. 1 public exploit is recorded. Fixed in 3.7.42.
Timeline
- 29-08-2026PublishedVulnerability first disclosed.
- 30-08-2026Last modifiedVulnerability information updated.
Description
The MasterStudy LMS WordPress Plugin WordPress plugin before 3.7.42 does not correctly restrict access to order information, allowing any user with the instructor role to read other users' order billing details, including name, email address, phone number and postal address, by enumerating order IDs.
CVSS metrics
3 scores · 3 sources · 1 version- CVE.orgCNA2.7LowCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:NDiffers
- NVDNIST2.7LowCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:NDiffers
EPSS trend
Probability
0.30%
Chance of exploitation in the next 30 days
Percentile
21%
Versus all other CVEs
30-day change
+0.12 pp
From 0.18% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (wpscan.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Unknown1 product
- masterstudy lms wordpress plugin< 3.7.42
Wordpress1 product
- masterstudy-lms-learning-management-system< 3.7.42
2 vendors · 2 products