CVE-2026-39536: wordpress rsvp
CVSS: 5.3v3.1MediumDeferred
Published 08-04-2026Last modified 29-04-2026
Vulnerability summary
CVE-2026-39536 is a medium (CVSS 5.3) vulnerability in wordpress rsvp. EPSS estimates a 0.33% chance of exploitation in the next 30 days, higher than 24.6% of scored vulnerabilities. Fixed in 2.7.17.
CVSS score
5.3/10
010
Medium · v3.1 (CVE.org)EPSS score
0.33%
0%100%
Low · +0.09 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 08-04-2026PublishedVulnerability first disclosed.
- 29-04-2026Last modifiedVulnerability information updated.
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.
CVSS metrics
3 scores · 3 sources · 1 versionMedium 5.3Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:NSourcesAll 3 agree
- NVDNIST5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- wordfenceSource5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
EPSS trend
Probability
0.33%
Chance of exploitation in the next 30 days
Percentile
25%
Versus all other CVEs
30-day change
+0.09 pp
From 0.24% on 20-09-2026
20-09-202620-10-2026
EPSS score0.33%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-497Exposure of Sensitive System Information to an Unauthorized Control SphereThe product does not properly prevent sensitive system-level information from being accessed by unauthorized actors who do not have the same level of access to the underlying system as the product does.
- CWE-200Exposure of Sensitive Information to an Unauthorized ActorThe product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.
Affected systems
Wordpress1 product
- rsvp≤ 2.7.16 (fixed in 2.7.17)
Wp chill1 product
- rsvp and event management≤ 2.7.16
2 vendors · 2 products
References
2 links- patchstack.com/database/…VDB Entry