{"id":"CVE-2026-43980","state":"PUBLISHED","title":"Malla: Stored XSS via Meshtastic node names in multiple frontend pages","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.","publishedAt":"2026-08-21T21:17:45.430Z","updatedAt":"2026-08-24T20:10:33.215Z","severity":{"score":6.3,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L","source":"GitHub_M"},"assigner":"GitHub_M","products":["zenitraM malla"],"affected":[{"vendor":"zenitraM","product":"malla","versions":[{"version":"< 4086e2b5f61615a813b70b25bc76095083552135","status":"affected"}]}],"references":["https://github.com/zenitraM/malla/security/advisories/GHSA-ch57-39q2-4crm","https://github.com/zenitraM/malla/commit/4086e2b5f61615a813b70b25bc76095083552135","https://github.com/pypa/advisory-database/tree/main/vulns/malla/PYSEC-2026-2618.yaml"],"weaknesses":["CWE-79"],"ingestedAt":"2026-10-29T20:11:57.932Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/43xxx/CVE-2026-43980.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-43980","state":"PUBLISHED","datePublished":"2026-08-21T21:17:45.430Z","dateUpdated":"2026-08-24T20:10:33.215Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-05-04T20:24:31.916Z"},"containers":{"cna":{"title":"Malla: Stored XSS via Meshtastic node names in multiple frontend pages","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"zenitraM","product":"malla","versions":[{"version":"< 4086e2b5f61615a813b70b25bc76095083552135","status":"affected"}]}],"references":[{"url":"https://github.com/zenitraM/malla/security/advisories/GHSA-ch57-39q2-4crm","name":"https://github.com/zenitraM/malla/security/advisories/GHSA-ch57-39q2-4crm","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/zenitraM/malla/commit/4086e2b5f61615a813b70b25bc76095083552135","name":"https://github.com/zenitraM/malla/commit/4086e2b5f61615a813b70b25bc76095083552135","tags":["x_refsource_MISC"]},{"url":"https://github.com/pypa/advisory-database/tree/main/vulns/malla/PYSEC-2026-2618.yaml","name":"https://github.com/pypa/advisory-database/tree/main/vulns/malla/PYSEC-2026-2618.yaml","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":6.3,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-79","lang":"en","description":"CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-08-21T21:17:45.430Z"},"source":{"advisory":"GHSA-ch57-39q2-4crm","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/zenitraM/malla/security/advisories/GHSA-ch57-39q2-4crm","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-24T20:10:26.577504Z","id":"CVE-2026-43980","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-24T20:10:33.215Z"}}]}}}