CVE-2026-54159

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{"affected": [{"affectedData": [{"product": "ps_facetedsearch", "vendor": "PrestaShop", "versions": [{"status": "affected", "version": ">= 3.0.0, < 4.0.4"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "PrestaShop ps_facetedsearch is a module that adds layered navigation filters. From 3.0.0 until 4.0.4, the ps_facetedsearch module rebuilds selected search filters from the request URL, and the value of a slider filter, price or weight, is taken from the URL without sufficient validation and stored in an internal filter-block cache where it is serialized and later read back with a raw native unserialize() in src/Filters/Block.php. By crafting that value, an unauthenticated attacker can smuggle a malicious serialized PHP object into the cache, and when it is deserialized, a gadget chain writes an arbitrary PHP file inside the modules/ps_facetedsearch/ directory, which is then used as a webshell to run commands on the server. This issue is fixed in version 4.0.4."}, {"lang": "es", "value": "PrestaShop ps_facetedsearch es un m\u00f3dulo que a\u00f1ade filtros de navegaci\u00f3n por capas. Desde la versi\u00f3n 3.0.0 hasta la 4.0.4, el m\u00f3dulo ps_facetedsearch reconstruye los filtros de b\u00fasqueda seleccionados a partir de la URL de la solicitud, y el valor de un filtro deslizante, precio o peso, se toma de la URL sin validaci\u00f3n suficiente y se almacena en una cach\u00e9 interna de bloques de filtro donde se serializa y luego se vuelve a leer con una funci\u00f3n unserialize() nativa en bruto en src/Filters/Block.php. Al manipular ese valor, un atacante no autenticado puede introducir un objeto PHP serializado malicioso en la cach\u00e9, y cuando se deserializa, una cadena de gadgets escribe un archivo PHP arbitrario dentro del directorio modules/ps_facetedsearch/, que luego se utiliza como una webshell para ejecutar comandos en el servidor. Este problema se corrige en la versi\u00f3n 4.0.4."}], "id": "CVE-2026-54159", "lastModified": "2026-10-24T20:10:00.137", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 10.0, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 6.0, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-54159", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-07-20T13:55:55.290717Z", "version": "2.0.3"}}]}, "published": "2026-07-17T21:17:07.963", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/PrestaShop/ps_facetedsearch/commit/9ca839fac68a60641d8187a3ff9730ab09af33cb"}, {"source": "security-advisories@github.com", "url": "https://github.com/PrestaShop/ps_facetedsearch/releases/tag/v4.0.4"}, {"source": "security-advisories@github.com", "url": "https://github.com/PrestaShop/ps_facetedsearch/security/advisories/GHSA-m5f5-28qr-9g9r"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-74"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[3.0.0,4.0.4)"}}], "enrichment": {"confidence": 81.0, "confidence_source": "matching", "scores": [{"score": 81.0, "source": "matching"}]}, "original": {"product": "ps_facetedsearch", "source": "cna", "vendor": "PrestaShop"}, "product": "faceted_search_module", "vendor": "prestashop"}], "created": "2026-07-24T06:00:04.351969+00:00", "updated": "2026-07-30T23:30:08.679176+00:00", "vendors": ["prestashop", "prestashop$PRODUCT$faceted_search_module"]}