# CVE-2026-81197: MasterStudy LMS < 3.7.46 - Unauthenticated Unpublished Course Title Disclosure via course-list REST Route

> Unauthenticated attackers can view titles and IDs of unpublished courses via an unrestricted REST route in the MasterStudy LMS plugin.

- **Severity:** Medium 5.3 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 2 Sep 2026
- **Updated:** 2 Sep 2026
- **Also known as:** GHSA-8g5p-hjg4-2rvf

## What is CVE-2026-81197?

CVE-2026-81197 is a medium-severity vulnerability in Unknown MasterStudy LMS WordPress Plugin, published on 2 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

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nor does it filter that listing by publication status, allowing unauthenticated users to read the titles and IDs of unpublished (draft, pending and private) courses.

Weakness: CWE-200 (Exposure of Sensitive Information to an Unauthorized Actor)

## Which versions are affected by CVE-2026-81197?


## How do I fix CVE-2026-81197?

No fix has been published for CVE-2026-81197 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-81197 being exploited?

There is no known exploitation of CVE-2026-81197 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-81197 and fix it if it is affected.

What it is: CVE-2026-81197 is a medium-severity vulnerability in Unknown MasterStudy LMS WordPress Plugin, published on 2 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-81197 in the wild and no public exploit code.

Affected product: Unknown MasterStudy LMS WordPress Plugin. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2026-81197/ (Markdown: https://insights.sbomify.com/CVE-2026-81197/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-81197
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-81197
- OSV: https://osv.dev/vulnerability/CVE-2026-81197

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-81197/
Summaries are generated and may contain mistakes; the official description above is the record.