Cross-Site Scripting Vulnerability in The Events Calendar Countdown Addon by CoolHappy
CVE-2025-49311

6.5MEDIUM

Key Information:

Vendor

WordPress
Status
The Events Calendar Countdown Addon
Vendor
CVE Published:
6 June 2025

What is CVE-2025-49311?

The Events Calendar Countdown Addon by CoolHappy is susceptible to a Cross-site Scripting (XSS) vulnerability due to improper input handling during web page generation. This flaw can allow attackers to inject malicious scripts, which may lead to the storage of harmful content on the server, compromising user data and site integrity. Users should ensure they are using the latest version of the addon to mitigate potential security risks.

Affected Version(s)

The Events Calendar Countdown Addon <= 1.4.9

References

https://patchstack.com/database/wordpress/plugin/countdow...
vdb-entry

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

muhammad yudha (Patchstack Alliance)
.
CVE-2025-49311 : Cross-Site Scripting Vulnerability in The Events Calendar Countdown Addon by CoolHappy