GHSA-55f4-qr9r-gp5rMediumCVSS 6.1
MQTTX desktop through 1.13.3 contains a stored cross-site scripting vulnerability that allows...
🔗 CVE IDs covered (1)
📋 Description
MQTTX desktop through 1.13.3 contains a stored cross-site scripting vulnerability that allows attackers to inject script by publishing malicious MQTT topic names or payloads rendered unescaped in tooltips. Attackers controlling a broker or publishing to subscribed topics can execute script in the Electron renderer, which has nodeIntegration enabled, when victims hover Topic Tree or JSON tree nodes.
🔗 References (8)
- https://nvd.nist.gov/vuln/detail/CVE-2026-126495
- https://github.com/emqx/MQTTX/issues/2180
- https://github.com/emqx/MQTTX
- https://github.com/emqx/MQTTX/blob/v1.13.3/src/background.ts#L276-L283
- https://github.com/emqx/MQTTX/blob/v1.13.3/src/widgets/JSONViewer.vue#L175-L184
- https://github.com/emqx/MQTTX/blob/v1.13.3/src/widgets/TreeView.vue#L195-L226
- https://www.vulncheck.com/advisories/mqttx-through-1.13.3-stored-xss-via-topic-tree-and-json-tree-tooltips
- https://github.com/advisories/GHSA-55f4-qr9r-gp5r