CVE-2025-49311

MEDIUM 6.5

WordPress The Events Calendar Countdown Addon plugin <= 1.4.9 - Cross Site Scripting (XSS) Vulnerability

CVSS Score

6.5

EPSS Score

0.0%

EPSS Percentile

0th

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in CoolHappy The Events Calendar Countdown Addon countdown-for-the-events-calendar allows Stored XSS.This issue affects The Events Calendar Countdown Addon: from n/a through <= 1.4.9.

CWE	CWE-79
Vendor	coolhappy
Product	the events calendar countdown addon
Published	Jun 6, 2025
Last Updated	Apr 28, 2026

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CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

Low

Affected Versions

CoolHappy / The Events Calendar Countdown Addon

0 ≤ 1.4.9

References

NVD ↗ CVE.org ↗ EPSS Data ↗

patchstack.com: https://patchstack.com/database/Wordpress/Plugin/countdown-for-the-events-calendar/vulnerability/wordpress-the-events-calendar-countdown-addon-1-4-9-cross-site-scripting-xss-vulnerability?_s_id=cve

Credits

Muhammad Yudha - DJ | Patchstack Bug Bounty Program