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CVE-2026-57713— WordPress Events Manager plugin <= 7.3.6 - PHP Object Injection vulnerability

Quick assessment

Affected
Marcus (aka @msykes) Events Manager
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

WordPress Events Manager是WordPress基金会的一款活动管理软件。 WordPress Events Manager 7.3.6及之前版本存在反序列化注入漏洞，该漏洞源于反序列化不受信任的数据，可能导致对象注入攻击。

CVSS 8.8 · High EPSS 0.46% · P40

Affected Version Matrix 1

VendorProduct Version RangeStatus
Marcus (aka @msykes) Events Manager ≤ 7.3.6 affected
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I. Basic Information for CVE-2026-57713

Vulnerability Information
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Vulnerability Title
WordPress Events Manager plugin <= 7.3.6 - PHP Object Injection vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Deserialization of Untrusted Data vulnerability in Marcus (aka @msykes) Events Manager events-manager allows Object Injection.This issue affects Events Manager: from n/a through <= 7.3.6.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
可信数据的反序列化
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress Events Manager 反序列化注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress Events Manager是WordPress基金会的一款活动管理软件。 WordPress Events Manager 7.3.6及之前版本存在反序列化注入漏洞，该漏洞源于反序列化不受信任的数据，可能导致对象注入攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Marcus (aka @msykes) Events Manager 0 ~ 7.3.6 -

II. Public POCs for CVE-2026-57713

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III. Intelligence Information for CVE-2026-57713

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News Coverage for CVE-2026-57713 (1)

IV. Related Vulnerabilities

Same product: Events Manager
Same vendor: Marcus (aka @msykes)
Same weakness: CWE-502