CVE-2026-81197 json
MasterStudy LMS < 3.7.46 - Unauthenticated Unpublished Course Title Disclosure via course-list REST Route
published 2026-09-02 2 mo ago modified 2026-09-03 2 mo ago also EUVD-2026-69850
- cvss
- 5.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 28%
- public exploits
- 0
- none known
Summary
The MasterStudy LMS WordPress Plugin WordPress plugin before 3.7.46 does not restrict access to a REST route that lists an author's courses, nor does it filter that listing by publication status, allowing unauthenticated users to read the titles and IDs of unpublished (draft, pending and private) courses.
Patch / fix
- Unknown MasterStudy LMS WordPress Plugin 3.7.46
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 2 mo ago
Exploit prediction
0.34% chance of exploitation in the next 30 days, higher than 28% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- wpscan.com https://wpscan.com/vulnerability/8738320c-eb44-46b9-b809-b5cb786cb3e4/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
| CNA | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
Affected products
- Unknown MasterStudy LMS WordPress Plugin
Classification
- Weakness
-
- CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
- Technology feeds
References
-
wpscan.com
/vulnerability/8738320c-eb44-46b9-b809-b5cb786cb3e4/
exploit, vdb-entry, technical-description
Sources
- CVE List CVE-2026-81197
- NVD CVE-2026-81197
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.