Auth bypass in Eventin

CVE-2026-84905

The Eventin WordPress plugin before 4.1.24 does not verify a user's capability to create accounts when adding a speaker, allowing users with contributor-level access and above to create new WordPress user accounts that carry capabilities beyond their own, including publishing content and uploading files, and, by supplying an email address they control, to obtain a working login to the created account.

Vulnerability class: Broken Access Control

Published · last modified .

CVSS v3 metric

CVSS v3 base score 2.7 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.003 (20.7th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 21st percentile — 20.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-84905: held from 0.003 to 0.003.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

  • Eventin

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-84905?
CVE-2026-84905 is a low-severity vulnerability in Eventin, classified under Missing Authorization. CVSS score: 2.7/10. Published 2026-09-16.
How severe is CVE-2026-84905?
Low severity. CVSS v3 base score is 2.7 out of 10.