WordPress EventPrime plugin <= 4.2.8.3 - Sensitive Data Exposure vulnerability

published 2026-02-19 8 mo ago modified 2026-06-17 4 mo ago also EUVD-2026-7959

cvss: 5.3; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 20%
public exploits: 0; none known

Exposure of Sensitive System Information to an Unauthorized Control Sphere vulnerability in Metagauss EventPrime eventprime-event-calendar-management allows Retrieve Embedded Sensitive Data.This issue affects EventPrime: from n/a through <= 4.2.8.3.

Patch / fix

fixed in 1

Metagauss EventPrime 4.2.8.4

CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: partial
Assessed: 8 mo ago (2026-02-27)

Exploit prediction

0.28% chance of exploitation in the next 30 days, higher than 20% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	5.3	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Affected products

Metagauss EventPrime

Classification

Weakness

CWE-497 Exposure of Sensitive System Information to an Unauthorized Control Sphere

Technology feeds

WordPress rss critical rss

References

patchstack.com /database/Wordpress/Plugin/eventprime-event-calendar-management/vulnerability/wordpress-eventprime-plugin-4-2-
vdb-entry

Sources

CVE List CVE-2026-25389
NVD CVE-2026-25389

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.

Summary