CVE-2026-62107 WordPress Masteriyo - LMS plugin <= 3.4.0 - PHP Object Injection vulnerability
Unauthenticated attackers can exploit PHP object injection in the Masteriyo LMS plugin to potentially execute arbitrary code.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-62107?
CVE-2026-62107 is a high-severity unsafe deserialization vulnerability in Masteriyo - LMS, published on 11 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Unauthenticated PHP Object Injection in Masteriyo - LMS <= 3.4.0 versions.
Weakness: CWE-502
Which versions are affected by CVE-2026-62107?
How do I fix CVE-2026-62107?
No fix has been published for CVE-2026-62107 yet. Limit exposure of the affected software until one is available.
Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.
Is CVE-2026-62107 being exploited?
There is no known exploitation of CVE-2026-62107 in the wild and no public exploit code.
Sources
Also known as GHSA-m3pj-g42c-wf98.