Is CVE-2026-5301 actively exploited?

No active exploitation of CVE-2026-5301 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-5301 be exploited remotely?

Yes. CVE-2026-5301 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-5301?

CVE-2026-5301 has a CVSS score of 7.6 (HIGH).

HOME VULNERABILITIESCVE-2026-5301

HIGH

CVE-2026-5301

CWE-79Published: April 8, 2026· Updated: Apr 8, 2026

7.6

CVSS v3.1

EPSS:0.02%probability of exploitation in 30 daysPercentile:5.5th

Official 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

NVD Source

Technical Analysis

CVE-2026-5301 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in full integrity compromise (data manipulation), with a CVSS base score of 7.6.

From a weakness classification perspective (CWE-79): Cross-site scripting (XSS) vulnerabilities allow attackers to inject malicious scripts into web pages viewed by other users.