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PhpSpreadsheet is a PHP library for reading and writing spreadsheet files. Versions prior to 3.7.0, 2.3.5, 2.1.6, and 1.29.7 have a cross-site scripting (XSS) vulnerability in custom properties. The HTML page is generated without clearing custom properties. Versions 3.7.0, 2.3.5, 2.1.6, and 1.29.7 contain a patch for the issue.
Reserved 2024-12-23 | Published 2025-01-03 | Updated 2025-01-03 | Assigner GitHub_MCWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
github.com/...dsheet/security/advisories/GHSA-wv23-996v-q229
github.com/...ommit/45052f88e04c735d56457a8ffcdc40b2635a028e
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