CVE-2026-88844
Tenable Plugin
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AI Threat Summary
CVE-2026-88844 is a moderate vulnerability with a CVSS score of 2.7 affecting the target software. Threat hunters should monitor for exploit attempts and apply vendor patches immediately.
Description
The MasterStudy LMS WordPress Plugin WordPress plugin before 3.7.50 does not verify that the requesting user owns the course before returning its enrolled-student data, allowing users with the MasterStudy LMS WordPress Plugin WordPress plugin before 3.7.50's Instructor role to disclose the names and email addresses of students enrolled in other instructors' courses.
Attack Chain
Attacker scans for vulnerable versions using version banners or PoC scanners
Attacker triggers CVE-2026-88844 vulnerability with a crafted request or payload
Vulnerability exploited to perform unauthorized actions on the target system
Depending on vulnerability type, attacker achieves data access, service disruption, or code execution
MITRE ATT&CK Techniques
Indicators of Compromise
| Type | Value | Description | |
|---|---|---|---|
| user_agent | Mozilla/5.0 (compatible; exploit/1.0) |
Generic exploit scanner user agent pattern | |
| url | /api/vuln-endpoint?payload=<malicious> |
Exploit attempt against application endpoint — monitor access logs for anomalous params |
Remediation
Quick Facts
| CVE ID | CVE-2026-88844 |
| CVSS Score | 2.7 |
| Vector | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N |
| Published | 2026-09-18 |
| Exploited | No |
| CISA KEV | No |
| PoC | Not public |