Event Manager <= 7.0.3 - Reflected Cross-Site Scripting via `calendar_header` Parameter

2025-07-09 09:58

mikemyers

Strategic Overview

Status

Patched in 6.6.5

Affected PluginEvents Manager – Calendar, Bookings, Tickets, and more!

Affected Version6.6.4.4 – 7.0.3 · 2 branches

CVSS6.1Medium

CVECVE-2025-6975

View all Events Manager – Calendar, Bookings, Tickets, and more! vulnerabilities

Vulnerability Overview

The Events Manager – Calendar, Bookings, Tickets, and more! plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the ‘calendar_header’ parameter in all versions up to, and including, 7.0.3 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.

Technical Analysis

REMEDIATION: Update to one of the following versions, or a newer patched version: 6.6.5, 7.0.4 --- IDENTIFIER: CWE-79 (Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')) The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

External References

https://www.cve.org/CVERecord?id=CVE-2025-6975 https://www.wordfence.com/threat-intel/vulnerabilities/id/b6e3e59b-837b-4058-b7bc-a22cff22afb4

CVSS Vector

6.1

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

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionRequired
ScopeChanged
ConfidentialityLow
IntegrityLow
AvailabilityNone

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