- GitHub – kljunowsky/XXElixir: This tool is designed to test for file …
This tool is designed to test for file upload and XXE (XML External Entity) vulnerabilities by poisoning an XLSX file. It allows the user to inject custom XML content or specify an out-of-band URL to …
Exploiting XXE via File Uploads – Exploit Database
XXE or XML external Entity injection is a security vulnerability in an application which parses the XML inputs. The vulnerability occurs because the XML parser parsing the user inputs doesn’t perform …
Exploiting XXE Vulnerabilities in XLSX Files: A Step-by-Step Guide
Let’s break down the steps for injecting a malicious external DTD into an XLSX file to exploit XXE vulnerabilities. This process involves unzipping the XLSX file, modifying the appropriate…
Exploiting XXE with Excel – 4ARMED
XML External Entity attacks are very common, particularly through HTTP-based APIs, and we regularly encounter and exploit them often gaining very privileged access to client environments.
Blind XXE | Exploit Notes – HDKS
XXE is a type of vulnerability that allows an attacker to inject and execute malicious XML code on a server that parses XML input, without directly receiving any feedback or response from the server. …
My Pentest Log -5- (XXE with Excel) | by Hamit CİBO | Medium
“unzip test.xlsx” , we parse our excel file with this command, after this process we can see various xml files. You can test attack surfaces from any of these files, but the file…
Regular Expression Denial of Service (ReDoS) in xlsx | CVE-2024-22363 …
Affected versions of this package are vulnerable to Regular Expression Denial of Service (ReDoS) in multiple functions, allowing an attacker to crash the system by submitting specially crafted input. …
PayloadsAllTheThings/XXE Injection/README.md at master – GitHub
A valid magic byte signature with (file XXE.xlsx) will be shown as Microsoft Excel 2007+ (with zip -u) and an invalid one will be shown as Microsoft OOXML. Add your blind XXE payload inside xl/workboo …
CVE-2025-21354 – Microsoft Excel Remote Code Execution Vulnerability …
In early 2025, Microsoft patched a critical vulnerability in Excel, tracked as CVE-2025-21354. This bug allows attackers to remotely execute code on a victim's computer just by making them open a …
Prototype Pollution in xlsx | CVE-2023-30533 | Snyk
xlsx is a Parser and writer for various spreadsheet formats. Affected versions of this package are vulnerable to Prototype Pollution when reading specially crafted files. Note: The issue is resolved i …
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