What is CVE-2026-27398?

CVE-2026-27398 is a medium-severity vulnerability in Wp Chill Rsvp And Event Management, classified under Missing Authorization. CVSS score: 5.3/10. Published 2026-05-25.

How severe is CVE-2026-27398?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Auth bypass in Wp Chill Rsvp And Event Management

CVE-2026-27398

Missing Authorization vulnerability in WP Chill RSVP and Event Management allows Exploiting Incorrectly Configured Access Control Security Levels. This issue affects RSVP and Event Management: from n/a through 2.7.16.

Vulnerability class: Broken Access Control

EPSS: 0.000 (11.3th percentile) — read the EPSS interpretation.

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:N/I:L/A:N.

Affected products

Wp Chill Rsvp And Event Management — versions n/a

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

audit@patchstack.com (vdb-entry)

Frequently asked questions

What is CVE-2026-27398?: CVE-2026-27398 is a medium-severity vulnerability in Wp Chill Rsvp And Event Management, classified under Missing Authorization. CVSS score: 5.3/10. Published 2026-05-25.
How severe is CVE-2026-27398?: Medium severity. CVSS v3 base score is 5.3 out of 10.