CVE-2026-104403 WordPress LearnPress plugin <= 4.4.9 - Insecure Direct Object References (IDOR) vulnerability
Attackers can bypass access controls to read or modify unauthorized data in the LearnPress WordPress plugin.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-104403?
CVE-2026-104403 is a medium-severity missing authorization vulnerability in ThimPress LearnPress, published on 2 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Authorization Bypass Through User-Controlled Key vulnerability in ThimPress LearnPress allows Exploiting Incorrectly Configured Access Control Security Levels.
This issue affects LearnPress: from n/a through 4.4.9.
Weakness: CWE-639
Which versions are affected by CVE-2026-104403?
How do I fix CVE-2026-104403?
No fix has been published for CVE-2026-104403 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-104403 being exploited?
There is no known exploitation of CVE-2026-104403 in the wild and no public exploit code.
Sources
Also known as GHSA-gjww-pw6x-33cc.