CVE-2026-27398

MEDIUM 5.3

WordPress RSVP and Event Management plugin <= 2.7.16 - Broken Access Control vulnerability

CVSS Score

5.3

EPSS Score

0.0%

EPSS Percentile

8th

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.

CWE	CWE-862
Vendor	wp chill
Product	rsvp and event management
Published	May 25, 2026
Last Updated	May 26, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

None

Affected Versions

WP Chill / RSVP and Event Management

n/a ≤ 2.7.16

References

NVD ↗ CVE.org ↗ EPSS Data ↗

patchstack.com: https://patchstack.com/database/wordpress/plugin/rsvp/vulnerability/wordpress-rsvp-and-event-management-plugin-2-7-16-broken-access-control-vulnerability?_s_id=cve

Credits

daroo | Patchstack Bug Bounty Program