Countdown Timer for WordPress Block Editor: Cross-site scripting
Countdown Timer for WordPress Block Editor is affected by cross-site scripting. Exposure depends on how the affected operation is made reachable by the site. Injected script can execute in the affected site's origin when the vulnerable output is viewed.
- Component
- Countdown Timer for WordPress Block Editor
- Plugin slug
countdown-timer-for-wordpress-block-editor- Affected
- See vendor advisory
- Safe version
- See mitigation notes
- Published
- May 15, 2025
This CVE was published May 15, 2025 and is one of 1 known issue for this plugin.
Update, patch or deactivate.
Update Countdown Timer for WordPress Block Editor 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
The Countdown Timer for WordPress Block Editor WordPress plugin through 1.0.5 does not validate and escape some of its block options before outputting them back in a page/post where the block is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks.
CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L