How severe is CVE-2026-39536?

CVE-2026-39536 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2026-39536 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-39536?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-39536 have an EU (EUVD) identifier?

Yes. CVE-2026-39536 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-20191.

When was CVE-2026-39536 published?

CVE-2026-39536 was published on 2026-04-08 and last updated on 2026-06-17.

CVE-2026-39536

CVE-2026-39536 is a medium-severity vulnerability with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-497.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 0% (15th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-20191
Weakness: CWE-497
Published: 2026-04-08
Last modified: 2026-06-17

Description

Exposure of Sensitive System Information to an Unauthorized Control Sphere vulnerability in WP Chill RSVP and Event Management rsvp allows Retrieve Embedded Sensitive Data.This issue affects RSVP and Event Management: from n/a through <= 2.7.16.

Frequently asked questions

What is CVE-2026-39536?: Exposure of Sensitive System Information to an Unauthorized Control Sphere vulnerability in WP Chill RSVP and Event Management rsvp allows Retrieve Embedded Sensitive Data.This issue affects RSVP and Event Management: from n/a through <= 2.7.16.
How severe is CVE-2026-39536?: CVE-2026-39536 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2026-39536 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-39536?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-39536 have an EU (EUVD) identifier?: Yes. CVE-2026-39536 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-20191.
When was CVE-2026-39536 published?: CVE-2026-39536 was published on 2026-04-08 and last updated on 2026-06-17.

References

https://patchstack.com/database/Wordpress/Plugin/rsvp/vulnerability/wordpress-rsvp-and-event-management-plugin-2-7-16-sensitive-data-exposure-vulnerability?_s_id=cve

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