The scrapy/scrapy project is vulnerable to XML External Entity (XXE) attacks due to the use of lxml.etree.fromstring for parsing untrusted XML data without proper validation. This vulnerability allows attackers to perform denial of service attacks, access local files, generate network connections, or circumvent firewalls by submitting specially crafted XML data.
El proyecto scrapy/scrapy es vulnerable a ataques de entidades externas XML (XXE) debido al uso de lxml.etree.fromstring para analizar datos XML que no son de confianza sin la validación adecuada. Esta vulnerabilidad permite a los atacantes realizar ataques de denegación de servicio, acceder a archivos locales, generar conexiones de red o eludir firewalls enviando datos XML especialmente manipulados.
It was discovered that Scrapy improperly exposed HTTP authentication credentials to request targets, including during redirects. An attacker could use this issue to gain unauthorized access to user accounts. This issue only affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. It was discovered that Scrapy did not remove the cookie header during cross-domain redirects. An attacker could possibly use this issue to gain unauthorized access to user accounts. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, and Ubuntu 22.04 LTS.
