The Events Calendar Countdown Addon: A security weakness
The Events Calendar Countdown Addon is affected by a security weakness. Exposure depends on how the affected operation is made reachable by the site. The resulting impact depends on how the affected component exposes the vulnerable operation.
- Component
- The Events Calendar Countdown Addon
- Plugin slug
countdown-for-the-events-calendar- Affected
- See vendor advisory
- Safe version
- See mitigation notes
- Published
- Jan 06, 2026
- Weakness
- CWE-862 — Missing Authorization
This CVE was published Jan 06, 2026 and is one of 2 known issues for this plugin.
Update, patch or deactivate.
Update The Events Calendar Countdown Addon to a release outside the affected range, or disable and remove it until a fixed version is available.
No confirmed safe version is listed. Consider a vendor-supported patch or temporarily restricting the affected functionality while you assess the risk.
Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.
Technical description
Missing Authorization vulnerability in CoolHappy The Events Calendar Countdown Addon countdown-for-the-events-calendar allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects The Events Calendar Countdown Addon: from n/a through <= 1.4.15.
CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N