Auth bypass in Eventin

CVE-2026-13172

The Eventin WordPress plugin before 4.1.22 does not restrict access to non-published content by status or ownership in one of its REST API namespaces, allowing unauthenticated users to retrieve draft, pending and private posts belonging to other users, along with the passwords and contents of password-protected ones.

Vulnerability class: Broken Access Control

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.003 (21.8th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 22nd percentile — 21.8% 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-2026-13172: 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-2026-13172?
CVE-2026-13172 is a medium-severity vulnerability in Eventin, classified under Missing Authorization. CVSS score: 5.3/10. Published 2026-08-26.
How severe is CVE-2026-13172?
Medium severity. CVSS v3 base score is 5.3 out of 10.