CVE-2026-1983 SEATT: Simple Event Attendance <= 1.5.0 - Cross-Site Request Forgery to Arbitrary Event Deletion
Attackers can trick administrators into deleting arbitrary events via CSRF due to missing nonce validation in the SEATT WordPress plugin.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-1983?
CVE-2026-1983 is a medium-severity vulnerability in sourcez SEATT: Simple Event Attendance, published on 14 Feb 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
The SEATT: Simple Event Attendance plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.5.0. This is due to missing nonce validation on the event deletion functionality. This makes it possible for unauthenticated attackers to delete arbitrary events via a forged request granted they can trick an administrator into performing an action such as clicking on a link.
Weakness: CWE-352
Which versions are affected by CVE-2026-1983?
How do I fix CVE-2026-1983?
No fix has been published for CVE-2026-1983 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-1983 being exploited?
There is no known exploitation of CVE-2026-1983 in the wild and no public exploit code.
Sources
Also known as GHSA-qrpm-ph3r-w26w.