| Título | Microweber 2.0.20 Path Traversal |
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| Descrição | An unauthenticated path traversal vulnerability exists in Microweber v2.0.20 in the publicly reachable hidden API endpoint /api_nosession/thumbnail_img. The cache_path_relative parameter is not properly validated before being used in filesystem path construction, and traversal sequences such as ../ are not removed. Under the tested conditions, this allows arbitrary file read and path-controlled file write outside the intended thumbnail cache directory. The issue was privately reported to the vendor by email in early April 2026. A limited public GitHub issue was opened in mid-April 2026, but as of May 14, 2026 no vendor response has been received. Public technical references are provided for CNA/VulDB review.
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| Fonte | ⚠️ https://github.com/whuHouYF/microweber-vuldb-disclosure-2026/blob/991630c494a99c70a96e456992a04de2ecb5a1e1/reports/microweber-path-traversal.md |
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| Utilizador | TarryHou (UID 97936) |
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| Submissão | 14/05/2026 11h55 (há 5 meses) |
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| Moderação | 14/06/2026 09h10 (1 month later) |
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| Estado | Aceite |
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| Entrada VulDB | 370841 [Microweber até 2.0.20 API Endpoint thumbnail_img userfiles_path cache_path_relative Travessia de Diretório] |
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| Pontos | 20 |
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