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
{
"cwe_ids": [
"CWE-79"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/5xxx/CVE-2026-5301.json",
"cna_assigner": "GitLab"
}"2026-07-31T08:04:53Z"
[
{
"signature_type": "Line",
"target": {
"file": "coolercontrol/constants.h"
},
"deprecated": false,
"source": "https://gitlab.com/coolercontrol/coolercontrol@fc5d8bd9fe77529cdf1b8eedac3dc9877f5d2af0",
"id": "CVE-2026-5301-efc24ccf",
"signature_version": "v1",
"digest": {
"line_hashes": [
"257481300507471264902061558703644940527",
"78689469846172260056807894511757902020",
"29067990735234643442879833272620619336"
],
"threshold": 0.9
}
}
]
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-5301.json"