CVE-2026-110070 Modern Events Calendar Lite < 7.36.4 - Subscriber+ Arbitrary Post Modification via IDOR
Authenticated subscribers can modify arbitrary posts and pages due to missing authorization checks in the Modern Events Calendar Lite plugin.
- 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-2026-110070?
CVE-2026-110070 is a medium-severity missing authorization vulnerability in Unknown Modern Events Calendar Lite, published on 18 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The Modern Events Calendar Lite WordPress plugin before 7.36.4 does not verify that a user is authorized to edit the target post before updating it, allowing authenticated users with the Subscriber role to modify the title, content, and excerpt of arbitrary posts, pages, and custom post types created by other users.
Weakness: CWE-639
Which versions are affected by CVE-2026-110070?
How do I fix CVE-2026-110070?
No fix has been published for CVE-2026-110070 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-2026-110070 being exploited?
There is no known exploitation of CVE-2026-110070 in the wild and no public exploit code.
Sources
Also known as GHSA-45vg-m9hg-qm9v.