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Vulnerability details

CVE-2026-56053

EventPrime EventPrime

WordPress EventPrime plugin <= 4.3.4.1 - PHP Object Injection vulnerability

CVSS 3.1

8.8High

Official description

Subscriber PHP Object Injection in EventPrime <= 4.3.4.1 versions.

CVSS scores

Score	Version	Source	Vector
8.8High	3.1	CVEProject cvelistV5 (CNA) (Patchstack)	`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H`

Affected products

Vendor	Product	Versions	Source
EventPrime	EventPrime	v ≤ 4.3.4.1	CVEProject cvelistV5 (CNA)

References and advisories

1

https://patchstack.com/database/wordpress/plugin/eventprime-event-calendar-management/vulnerability/wordpress-eventprime-plugin-4-3-4-1-php-object-injection-vulnerability?_s_id=cve vdb-entry

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Details

Published: 2026-06-25
Last updated: 2026-06-26
State: Published
Assigner (CNA): Patchstack

Exploit prediction (EPSS)

0.51%

Probability of exploitation in 30 days

44.2%

Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable: No
Exploitation: None
Technical impact: Total

Weaknesses (CWE)

CWE-502
Deserialization of Untrusted Data