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Mitigating Risks of Direct XXE Attacks in XML Parsing

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🛡️📄 Understanding and Mitigating Direct XXE Attacks in XML Parsing. Direct XML External Entity (XXE) attacks exploit vulnerabilities in XML parsers that handle external entities, potentially allowing attackers to access sensitive files and execute unauthorized actions. The article illustrates a scenario involving MegaBank’s screenshot feature, where an attacker could inject malicious XML to manipulate server-side processing. It emphasizes the importance of disabling external entity processing and validating inputs to prevent such attacks. Historical examples, including vulnerabilities in Apache Xalan and Drupal, highlight the ongoing risks associated with improper XML parsing. The article concludes by advocating for a security-first development culture to safeguard systems against these threats.

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