WordPress security changelog
MEDIUM CVE-2026-84901 Deferred

Eventin: A security weakness

Eventin is affected by a security weakness. Exploitation requires an authenticated contributor account. The resulting impact depends on how the affected component exposes the vulnerable operation. The published affected range is < 4.1.22.

CVE / CNA score 4.9 CVSS 3.1 · 134c704f-9b21-4f2e-91b3-4a467353bcc0
NVD score Pending NVD has not published its own CVSS assessment.
Component
Eventin
Plugin slug
eventin
Affected
< 4.1.22
Safe version
4.1.22
Published
Sep 05, 2026
Weakness
CWE-862 — Missing Authorization

This CVE was published Sep 05, 2026 and is one of 12 known issues for this plugin.

Update, patch or deactivate.

Update Eventin to 4.1.22 or later, or disable and remove it until a fixed version is available.

A safe version is available, so updating to that version or later is the preferred remediation. If an immediate update is not practical, consider a targeted application patch or temporarily restricting the affected functionality.

Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.

Technical description

The Eventin WordPress plugin before 4.1.22 does not properly check authorization on several of its event-management REST routes, allowing users with contributor-level access and above to change the site's front-page setting to an event they do not own and to create, edit and delete global event and speaker taxonomy terms they should not be able to manage.

CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N

Primary and upstream sources