WordPress EventPrime plugin <= 4.2.8.0 - PHP Object Injection vulnerability

MITRE NVD CVE.ORG Print: PDF PDF

Summary

CVECVE-2026-24378
StatePUBLISHED
AssignerPatchstack
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-03-25 17:16:38 UTC
Updated2026-03-30 13:27:12 UTC
DescriptionDeserialization of Untrusted Data vulnerability in Metagauss EventPrime eventprime-event-calendar-management allows Object Injection.This issue affects EventPrime: from n/a through <= 4.2.8.0.

Risk And Classification

Primary CVSS: v3.1 9.8 CRITICAL from ADP

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.000540000 probability, percentile 0.169040000 (date 2026-04-01)

Problem Types: CWE-502 | CWE-502 Deserialization of Untrusted Data

VersionSourceTypeScoreSeverityVector
3.1ADPDECLARED9.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary9.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Metagauss EventPrime affected n/a <= 4.2.8.0 custom Not specified

References

ReferenceSourceLinkTags
patchstack.com/database/Wordpress/Plugin/eventprime-event-calendar-managemen... [email protected] patchstack.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Phat RiO | Patchstack Bug Bounty Program (en)

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