CVE-2026-4093

{"id": "CVE-2026-4093", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-4093", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-05-22T13:23:03.434925Z"}}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 5.4, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}, "impactScore": 2.7, "exploitabilityScore": 2.3}], "cvssMetricV40": [{"type": "Secondary", "source": "mlhess@drupal.org", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 5.1, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/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", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "PASSIVE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "subIntegrityImpact": "LOW", "vulnIntegrityImpact": "LOW", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "LOW", "vulnConfidentialityImpact": "LOW", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "affected": [{"source": "mlhess@drupal.org", "affectedData": [{"repo": "https://git.drupalcode.org/project/term_reference_tree", "vendor": "Drupal", "product": "Term Reference Tree", "versions": [{"status": "affected", "version": "7.x-1.x", "versionType": "custom", "lessThanOrEqual": "7.x-1.11"}], "packageName": "Term Reference Tree", "collectionURL": "https://www.drupal.org/project/term_reference_tree", "defaultStatus": "unaffected"}]}], "published": "2026-05-21T22:16:48.290", "references": [{"url": "https://d7es.tag1.com/security-advisories/taxonomy-term-reference-tree-widget-moderately-critical-cross-site-scripting", "tags": ["Third Party Advisory"], "source": "mlhess@drupal.org"}, {"url": "https://www.herodevs.com/vulnerability-directory/cve-2026-4093", "tags": ["Exploit", "Third Party Advisory"], "source": "mlhess@drupal.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "mlhess@drupal.org", "description": [{"lang": "en", "value": "CWE-79"}]}], "descriptions": [{"lang": "en", "value": "In the Drupal 7 Term Reference Tree module, two stored XSS vectors exist in the widget/formatter rendering pipeline.\n\nVector A (token display templates): When the Token module is enabled and token display templates are configured, attacker-controlled token output (e.g., term description) is rendered without proper sanitization. Any user who can edit the referenced taxonomy terms can inject HTML/JS that executes when the field is rendered.\n\nVector B (term label rendering): Taxonomy term labels are not properly sanitized before being rendered in the widget, allowing a user with permission to create or edit taxonomy terms to inject scripts into the term name that execute when a form containing the widget is viewed.\n\nExploit affects versions 7.x-1.x up to and including 7.x-1.11."}, {"lang": "es", "value": "En el m\u00f3dulo Drupal 7 Term Reference Tree, existen dos vectores de XSS almacenado en la cadena de renderizado de widgets/formatters.\n\nVector A (plantillas de visualizaci\u00f3n de tokens): Cuando el m\u00f3dulo Token est\u00e1 habilitado y las plantillas de visualizaci\u00f3n de tokens est\u00e1n configuradas, la salida de token controlada por el atacante (p. ej., descripci\u00f3n del t\u00e9rmino) se renderiza sin la sanitizaci\u00f3n adecuada. Cualquier usuario que pueda editar los t\u00e9rminos de taxonom\u00eda referenciados puede inyectar HTML/JS que se ejecuta cuando se renderiza el campo.\n\nVector B (renderizado de etiquetas de t\u00e9rmino): Las etiquetas de los t\u00e9rminos de taxonom\u00eda no se sanitizan correctamente antes de ser renderizadas en el widget, lo que permite a un usuario con permiso para crear o editar t\u00e9rminos de taxonom\u00eda inyectar scripts en el nombre del t\u00e9rmino que se ejecutan cuando se visualiza un formulario que contiene el widget.\n\nEl exploit afecta a las versiones 7.x-1.x hasta la 7.x-1.11 inclusive."}], "lastModified": "2026-07-23T16:10:00.137", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:taxonomy_term_reference_tree_widget_project:taxonomy_term_reference_tree_widget:*:*:*:*:*:drupal:*:*", "vulnerable": true, "matchCriteriaId": "3390651C-0E1A-4B4C-837A-A8740627DFD5", "versionEndExcluding": "7.x-1.12", "versionStartIncluding": "7.x-1.0"}], "operator": "OR"}]}], "sourceIdentifier": "mlhess@drupal.org"}