CVE-2024-47875-PhpSpreadsheet-XSS-PoC

CVE-2025-22131 • PhpSpreadsheet HTML Writer XSS PoC Over View this is a PoC on the CVE-2025-22131 , a Cross-Site Scripting XSS vulnerability in PhpSpreadsheet versions prior to 2.2.2, 2.1.2, and 1.29.4. The vulnerability resides in the generateNavigation function, which fails to sanitize sheet...

Cross-Site Scripting (XSS) vulnerability in generateNavigation() function in PhpSpreadsheet

Summary The researcher discovered zero-day vulnerability Cross-Site Scripting XSS vulnerability in the code which translates the XLSX file into a HTML representation and displays it in the response. Details When generating the HTML from an xlsx file containing multiple sheets, a navigation menu i...