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HIGH · 7.6

CVE-2026-5301

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

Vulnerability 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

CVSS Score

7.6

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:L
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
LOW
Integrity
HIGH
Availability
LOW

Affected Products

VendorProductVersions
CoolercontrolCoolercontrold< 4.0.0

Related Weaknesses (CWE)

CWE-79

References

FAQ

What is CVE-2026-5301?

CVE-2026-5301 is a vulnerability with a CVSS score of 7.6 (HIGH). 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

How severe is CVE-2026-5301?

CVE-2026-5301 has been rated HIGH with a CVSS base score of 7.6/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-5301?

Check the references section above for vendor advisories and patch information. Affected products include: Coolercontrol Coolercontrold.