CVE-2026-83545
Medium
Description
The CoolClock WordPress plugin before 4.3.8 does not properly escape a custom skin setting before outputting it inside an inline script, allowing users with contributor-level access and above to inject arbitrary JavaScript that executes when the content is viewed.
SeverityMedium
CVSS6.8
Exploit probability—
ProductCoolClock
PublishedSep 11, 2026
First seenSep 11, 2026
Weakness typeCWE-79Cross-site scripting (XSS)
How to fix
Update
- CoolClock4.3.8 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| CoolClock | v < 4.3.8 | 4.3.8 |
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