Event Monster <= 1.3.9 - Authenticated(Contributor+) PHP Object Injection via Custom Meta

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Summary

CVECVE-2024-1895
StatePUBLISHED
AssignerWordfence
Source PriorityCVE Program / NVD first with legacy fallback
Published2024-04-30 09:15:06 UTC
Updated2026-04-08 18:20:52 UTC
DescriptionThe Event Monster – Event Management, Tickets Booking, Upcoming Event plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 1.3.9 via deserialization via shortcode of untrusted input from a custom meta value. This makes it possible for authenticated attackers, with contributor access and above, to inject a PHP Object. No POP chain is present in the vulnerable plugin. If a POP chain is present via an additional plugin or theme installed on the target system, it could allow the attacker to delete arbitrary files, retrieve sensitive data, or execute code.

Risk And Classification

Primary CVSS: v3.1 7.5 HIGH from [email protected]

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

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

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary7.5HIGHCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
3.1CNADECLARED7.5HIGHCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

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

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Awplife Event Monster All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Awordpresslife Event Monster Manager Ticket Booking affected 1.3.9 semver Not specified
ADP Awplife Event Monster affected 1.3.4 semver Not specified

References

ReferenceSourceLinkTags
plugins.trac.wordpress.org/changeset/3102670 [email protected] plugins.trac.wordpress.org
www.wordfence.com/threat-intel/vulnerabilities/id/41d7b3f1-a133-4678-b2d9-3f995... af854a3a-2127-422b-91ae-364da2661108 www.wordfence.com Third Party Advisory
plugins.trac.wordpress.org/browser/event-monster/tags/1.3.3/shortcode.php af854a3a-2127-422b-91ae-364da2661108 plugins.trac.wordpress.org Product
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: Francesco Carlucci (en)

Additional Advisory Data

SourceTimeEvent
CNA2024-04-29T00:00:00.000ZDisclosed
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