CVE-2026-80069: MasterStudy LMS plugin for WordPress before 3.7.50 contains a missing authorization vulnerability that allows

Routine

MEDIUM 4.3

CVE-2026-80069 is a medium-severity flaw (CVSS 4.3) affecting affected software. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

MasterStudy LMS plugin for WordPress before 3.7.50 contains a missing authorization vulnerability that allows any authenticated user, including Subscribers, to trigger the stm_lms_send_test_email_ajax AJAX action without capability or nonce validation. Attackers can invoke this handler directly or via cross-site request forgery to cause an uncaught PHP fatal error that, when display_errors is enabled, discloses the absolute filesystem path of the

Why this priority

No elevated risk signals yet

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	4.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	n/a
CISA exploited list	No
Weakness	CWE-22
Published	2026-10-29
Last modified	2026-10-29

Publisher (CNA): VulnCheck

Last updated 2026-10-29 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Timeline

2026-10-29 15:17 UTCPublished CVE record published
2026-10-29 15:17 UTCUpdated Record last modified

Advisories and coverage

Research and news

VulDB Recent Entries: CVE-2026-80069 | Stylemix MasterStudy LMS Plugin up to 3.7.49 AJAX Action stm_lms_send_test_email_ajax improper authorization 2026-10-29

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-80069?

No fixed release is listed yet. Watch the vendor advisory and apply any mitigation shown on this page.

Is CVE-2026-80069 being exploited?

CVE-2026-80069 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-80069 affect?

CVE-2026-80069 affects affected software. Severity is medium (CVSS 4.3). MasterStudy LMS plugin for WordPress before 3.7.50 contains a missing authorization vulnerability that allows any authenticated user, including Subscribers, to trigger the stm_lms_send_test_email_ajax AJAX action without capability or nonce

How urgent is CVE-2026-80069?

Priority 15/100. No elevated risk signals yet.

Software pages

WordPress vulnerabilities · PHP vulnerabilities

References

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