CVE-2026-39536 WP Chill CVE debrief

Who should care

Users of the WP Chill RSVP and Event Management plugin, particularly those with versions 2.7.16 or earlier, should be aware of this vulnerability and take necessary precautions. Operators, administrators, and security teams responsible for the plugin should review the vulnerability details and plan for mitigation or remediation.

Technical summary

The CVE-2026-39536 vulnerability has a CVSS score of 5.3 and is classified as MEDIUM severity. It allows for the exposure of sensitive system information to an unauthorized control sphere, enabling the retrieval of embedded sensitive data. The vulnerability affects the WP Chill RSVP and Event Management plugin, versions from n/a through 2.7.16.

Defensive priority

Medium priority should be given to updating the WP Chill RSVP and Event Management plugin to a version that addresses this vulnerability.

Recommended defensive actions

• Inventory and verify installed versions of WP Chill RSVP and Event Management plugin
• Apply updates or patches provided by the vendor to address the vulnerability
• Monitor systems for potential exploitation attempts
• Implement compensating controls to limit exposure
• Review relevant monitoring, detection, and logs for exposed assets that need extra review

Evidence notes

The CVE record was published on 2026-04-08T09:16:26.360Z and has not been modified since then. The NVD entry is currently Deferred. There is limited information available about the CVE-2026-39536 vulnerability. Defenders should verify the affected scope and severity with the vendor or other trusted sources. The WP Chill RSVP and Event Management plugin is affected by this vulnerability, which allows for the retrieval of embedded sensitive data.

Official resources