CVE-2026-76837

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The result is rendered through v-html by the rich-text field components, so any rich-text cell mentioning the account executes the stored script for every workspace member who views the table, without a click. Any workspace member, at the lowest permission level, can set the name and reach every other member of the workspace, and the payload persists until the name is changed or the mentioning row is removed. Version 2.3.0 escapes the value before interpolation."}, {"lang": "es", "value": "Baserow interpola el nombre de visualizaci\u00f3n de un usuario en el marcado de menci\u00f3n de texto enriquecido sin codificaci\u00f3n HTML. PATCH /api/user/account/ almacena el valor 'first_name' textualmente, y el renderizador de menciones en web-frontend/modules/core/editor/mention.js construye su elemento con un literal de plantilla que coloca el nombre en un atributo 'data-label' y el cuerpo del elemento sin escapar. Un nombre que contiene una comilla doble cierra ese atributo y la etiqueta de apertura, por lo que el marcado siguiente aterriza en el contenido del elemento. El resultado se renderiza a trav\u00e9s de 'v-html' por los componentes de campo de texto enriquecido, por lo que cualquier celda de texto enriquecido que menciona la cuenta ejecuta el script almacenado para cada miembro del espacio de trabajo que ve la tabla, sin un clic. Cualquier miembro del espacio de trabajo, en el nivel de permiso m\u00e1s bajo, puede establecer el nombre y alcanzar a todos los dem\u00e1s miembros del espacio de trabajo, y la carga \u00fatil persiste hasta que se cambie el nombre o se elimine la fila que lo menciona. La versi\u00f3n 2.3.0 escapa el valor antes de la interpolaci\u00f3n."}], "id": "CVE-2026-76837", "lastModified": "2026-10-12T22:10:00.247", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 3.1, "impactScore": 2.7, "source": "disclosure@vulncheck.com", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "LOW", "subIntegrityImpact": "LOW", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "LOW", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "disclosure@vulncheck.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-76837", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-08-24T18:11:59.473504Z", "version": "2.0.3"}}]}, "published": "2026-08-24T18:17:21.887", "references": [{"source": "disclosure@vulncheck.com", "url": "https://github.com/baserow/baserow"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/baserow/baserow/blob/2.2.2/web-frontend/modules/core/editor/mention.js"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/baserow/baserow/commit/a870dc0d38c9"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/baserow/baserow/pull/5618"}, {"source": "disclosure@vulncheck.com", "url": "https://www.vulncheck.com/advisories/baserow-before-stored-cross-site-scripting-via-rich-text-mention-display-name"}], "sourceIdentifier": "disclosure@vulncheck.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "disclosure@vulncheck.com", "type": "Primary"}]}

{}

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