CVE-2026-83546
CoolClock < 4.3.8 - Contributor+ Stored XSS via Skin Class Attribute
- State
- Published
- Severity
- 6.8 Medium
- Published
- Sep 11, 2026
- Updated
- Sep 11, 2026
- Reserved
- Aug 31, 2026
Description
The CoolClock WordPress plugin before 4.3.8 does not properly escape a skin setting before outputting it within an HTML attribute, allowing users with contributor-level access and above to inject arbitrary web scripts that execute when the content is viewed.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 6.8 Medium | CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H | CISA-ADP |
Weaknesses
- CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected Products
| Product | Versions |
|---|---|
CoolClockUnknown |
|
References
- https://wpscan.com/vulnerability/57fcdde1-1723-42e1-a6d0-16e63a532ac7/exploitvdb-entrytechnical-description
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