CVE-2026-57713 HIGH

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

Vendor Marcus (Aka @Msykes)

Product Events Manager

Weakness CWE-502 · Unsafe deserialization

Published July 13, 2026

Last update July 13, 2026

View on NVD All CVEs

CVSS base score

8.8/10

Attack vector Network

Attack complexity Low

Privileges required None

User interaction Required

Confidentiality High

Integrity High

CVSS vector

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

What the vulnerability does

01Description

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.

Explanation of Vulnerability in Simple Terms

02Summary

Events Manager versions up to 7.3.6 contain a deserialization vulnerability that allows attackers to execute arbitrary code on the site. An attacker can craft a malicious serialized object that, when deserialized by the application, executes code with full site privileges. The vulnerability requires user interaction—typically a victim must click a link or visit a page—but no authentication is needed.

What an attacker can do

03Attacker Capabilities

Run their own code on the site with full privileges, read/modify data, or take over the site.

Potential impact on your site

04Site Impact

Complete site compromise possible. Attacker can steal data, modify content, create admin accounts, or inject malware.

Conditions required to exploit

05Prerequisites

Victim must click a malicious link or visit an attacker-controlled page; no login required.

Key dates

06Disclosure timeline

July 13, 2026 CVE published

July 13, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2026-57713 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/502.html AskarLabs — CWE-502 write-up Deserialization of Untrusted Data

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