{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0","last_affected":"1.8.2"}],"component":"phpoffice/phpexcel","cve_ids":["CVE-2020-7776"],"ecosystem":"Packagist","epss":0.01317,"exploited":false,"fixed_versions":[],"ghsa_id":"GHSA-4mqv-gcr3-pff9","id":"tcs_01M5KEV4PBCC4KGCKXMYCVWYB3","modified_at":"2026-07-08T06:49:43.508214068Z","published_at":"2021-05-06T18:53:37Z","references":["https://osv.dev/vulnerability/GHSA-4mqv-gcr3-pff9","https://nvd.nist.gov/vuln/detail/CVE-2020-7776","https://github.com/PHPOffice/PhpSpreadsheet/pull/1719","https://github.com/PHPOffice/PhpSpreadsheet/commit/0ed5b800be2136bcb8fa9c1bdf59abc957a98845","https://github.com/FriendsOfPHP/security-advisories/blob/master/phpoffice/phpspreadsheet/CVE-2020-7776.yaml","https://github.com/PHPOffice/PhpSpreadsheet/blob/master/src/PhpSpreadsheet/Writer/Html.php%23L1792","https://snyk.io/vuln/SNYK-PHP-PHPOFFICEPHPSPREADSHEET-1048856"],"severity":{"label":"medium","score":6.4},"sources":[{"source":"osv","source_id":"GHSA-4mqv-gcr3-pff9#Packagist/phpoffice/phpexcel","url":"https://osv.dev/vulnerability/GHSA-4mqv-gcr3-pff9"}],"summary":"Cross-site scripting in phpoffice/phpspreadsheet"}