CVE-2026-30934

{"id": "CVE-2026-30934", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 8.9, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:L", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 6.0, "exploitabilityScore": 2.3}, {"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}]}, "published": "2026-03-10T18:18:53.257", "references": [{"url": "https://github.com/gtsteffaniak/filebrowser/releases/tag/v1.2.2-stable", "tags": ["Release Notes"], "source": "security-advisories@github.com"}, {"url": "https://github.com/gtsteffaniak/filebrowser/releases/tag/v1.3.1-beta", "tags": ["Release Notes"], "source": "security-advisories@github.com"}, {"url": "https://github.com/gtsteffaniak/filebrowser/security/advisories/GHSA-r633-fcgp-m532", "tags": ["Exploit", "Vendor Advisory"], "source": "security-advisories@github.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-79"}]}], "descriptions": [{"lang": "en", "value": "FileBrowser Quantum is a free, self-hosted, web-based file manager. Prior to 1.3.1-beta and 1.2.2-stable, Stored XSS is possible via share metadata fields (e.g., title, description) that are rendered into HTML for /public/share/<hash> without context-aware escaping. The server uses text/template instead of html/template, allowing injected scripts to execute when victims visit the share URL. This vulnerability is fixed in 1.3.1-beta and 1.2.2-stable."}, {"lang": "es", "value": "FileBrowser Quantum es un gestor de archivos gratuito, autoalojado y basado en web. Antes de 1.3.1-beta y 1.2.2-stable, es posible un XSS Almacenado a trav\u00e9s de campos de metadatos de compartici\u00f3n (p. ej., t\u00edtulo, descripci\u00f3n) que se renderizan en HTML para /public/share/ sin escape sensible al contexto. El servidor utiliza text/template en lugar de html/template, permitiendo que los scripts inyectados se ejecuten cuando las v\u00edctimas visitan la URL de compartici\u00f3n. Esta vulnerabilidad est\u00e1 corregida en 1.3.1-beta y 1.2.2-stable."}], "lastModified": "2026-03-18T16:52:51.783", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:filebrowser:filebrowser:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E9301582-B9B7-431D-B9F0-D2ED8A0F4F0A", "versionEndIncluding": "1.2.9"}, {"criteria": "cpe:2.3:a:filebrowser:filebrowser:1.2.1:stable:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DE0C44CA-A1E7-4A78-AEBE-9E40AC8356A3"}, {"criteria": "cpe:2.3:a:filebrowser:filebrowser:1.3.0:beta:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "BBB1EA86-4052-40DC-AAAA-8133DD965699"}], "operator": "OR"}]}], "sourceIdentifier": "security-advisories@github.com"}