Vulnerability · Published Jun 6, 2025 · Assigned by Patchstack
CVE-2025-49311WordPress The Events Calendar Countdown Addon plugin <= 1.4.9 - Cross Site Scripting (XSS) Vulnerability
Medium 6.5
In plain English
A medium-severity cross-site scripting in The Events Calendar Countdown Addon from CoolHappy. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 19% of all known vulnerabilities).
Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.3%top 80.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| CoolHappy | The Events Calendar Countdown Addon | 0 – through 1.4.9 |
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L