CVE-2026-43980

Malla: Stored XSS via Meshtastic node names in multiple frontend pages

Published Aug 21, 2026 CVSS 3.1 · 6.3 Medium EPSS < 1% KEV · Not listed
Description
Malla is a web analyzer for Meshtastic networks based on MQTT data. Prior to commit 4086e2b5f61615a813b70b25bc76095083552135, code names (long_name, short_name) received via MQTT are stored in SQLite without sanitization and rendered into the DOM without escaping. Any participant on a public Meshtastic MQTT broker can set a malicious node name that executes JavaScript in the browser of every Malla dashboard visitor. Commit 4086e2b5f61615a813b70b25bc76095083552135 fixes the issue.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Github GHSA Github GHSA GHSA-ch57-39q2-4crm malla: Stored XSS via Meshtastic node names in multiple frontend pages
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Zenitram
Zenitram malla
Vendors & Products Zenitram
Zenitram malla
Type Values Removed Values Added
Description Malla is a web analyzer for Meshtastic networks based on MQTT data. Prior to commit 4086e2b5f61615a813b70b25bc76095083552135, code names (long_name, short_name) received via MQTT are stored in SQLite without sanitization and rendered into the DOM without escaping. Any participant on a public Meshtastic MQTT broker can set a malicious node name that executes JavaScript in the browser of every Malla dashboard visitor. Commit 4086e2b5f61615a813b70b25bc76095083552135 fixes the issue.
Title Malla: Stored XSS via Meshtastic node names in multiple frontend pages
Weaknesses CWE-79
References
Metrics cvssV3_1

{'score': 6.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Aug 24, 2026, 8:10 PM
Reserved
May 4, 2026, 8:24 PM
Status
Deferred
Published
Aug 21, 2026, 10:16 PM
Modified
Oct 12, 2026, 4:10 PM