Medium severity · published May 25, 2026
CVE-2026-27398
WordPress RSVP and Event Management plugin <= 2.7.16 - Broken Access Control vulnerability
5.3
CVSS
0.2%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 14% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RA
RSVP and Event Management · WP Chill
through 2.7.16 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-27398
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-27398
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
More from RSVP and Event Management
5.3
CVE-2026-39536
WordPress RSVP and Event Management plugin <= 2.7.16 - Sensitive Data Exposure vulnerability