CVE-2026-66457 HIGH

CVE-2026-66457: WordPress Events Manager plugin <= 7.4.1 - Cross Site Scripting (XSS) vulnerability

Vendor @Msykes

Product Events Manager

Weakness CWE-79 · XSS

Published August 6, 2026

Last update August 6, 2026

View on NVD All CVEs

CVSS base score

7.1/10

Attack vector Network

Attack complexity Low

Privileges required None

User interaction Required

Confidentiality Low

Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Unauthenticated Cross Site Scripting (XSS) in Events Manager <= 7.4.1 versions.

Explanation of Vulnerability in Simple Terms

02Summary

Events Manager versions up to 7.4.1 contain a cross-site scripting (XSS) vulnerability that allows attackers to inject malicious scripts into event pages. An attacker can craft a malicious link or event that, when visited by a site user, executes JavaScript in their browser. This can lead to session hijacking, credential theft, or defacement. The vulnerability requires user interaction to trigger.

What an attacker can do

03Attacker Capabilities

Inject and execute malicious JavaScript in users' browsers when they view affected event pages.

Potential impact on your site

04Site Impact

Site visitors' sessions and credentials are at risk; attackers can steal data or perform actions on behalf of users.

Conditions required to exploit

05Prerequisites

A site visitor must click a malicious link or view a crafted event page; no authentication required.

Key dates

06Disclosure timeline

August 6, 2026 CVE published

August 6, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2026-66457 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/79.html AskarLabs — CWE-79 write-up Cross-Site Scripting

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