CVE-2026-5301
High
Description
Stored XSS in log viewer in CoolerControl/coolercontrol-ui <4.0.0 allows unauthenticated attackers to take over the service via malicious JavaScript in poisoned log entries
SeverityHigh
CVSS7.6
Exploit probability—
ProductCoolercontrold
PublishedApr 8, 2026
First seenApr 8, 2026
Weakness typeCWE-79Cross-site scripting (XSS)
How to fix
Update
- coolercontrol coolercontrold4.0.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| coolercontrol coolercontrold | v < 4.0.0 | 4.0.0 |
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