Vulnerability · Published Apr 8, 2026 · Assigned by GitLab
CVE-2026-5301Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in coolercontrol-ui
High 7.6
In plain English
A high-severity cross-site scripting in coolercontrol-ui from CoolerControl. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 21% of all known vulnerabilities).
Severity (CVSS 3.1)7.6High
Exploit odds (30 days)0.3%top 79.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
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
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| CoolerControl | coolercontrol-ui | 2.0.0 – before 4.0.0 |
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:L
References
- https://gitlab.com/coolercontrol/coolercontrol/-/blob/2.0.0/coolercontrol-ui/src/views/AppInfoView.vue?ref_type=tags#L224
- https://gitlab.com/coolercontrol/coolercontrol/-/blob/3.1.1/coolercontrol-ui/src/views/AppInfoView.vue?ref_type=tags#L350
- https://gitlab.com/coolercontrol/coolercontrol/-/releases/4.0.0