Auth bypass in Eventin

CVE-2026-13175

The Eventin WordPress plugin before 4.1.21 does not verify ownership before allowing schedule records to be modified or deleted, allowing users with contributor-level access and above to alter or delete schedule entries created by other users.

Vulnerability class: IDOR (Insecure Direct Object Reference)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H.

EPSS exploit prediction

EPSS: 0.004 (33.9th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 34th percentile — 33.9% 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-2026-13175: held from 0.003 to 0.004.

EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.001

Affected products

  • Eventin

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-13175?
CVE-2026-13175 is a medium-severity vulnerability in Eventin, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 6.5/10. Published 2026-08-19.
How severe is CVE-2026-13175?
Medium severity. CVSS v3 base score is 6.5 out of 10.