{"id":"CVE-2021-3539","details":"EspoCRM 6.1.6 and prior suffers from a persistent (type II) cross-site scripting (XSS) vulnerability in processing user-supplied avatar images. This issue was fixed in version 6.1.7 of the product.","aliases":["BIT-espocrm-2021-3539"],"modified":"2026-04-10T04:35:05.137356Z","published":"2021-08-04T23:15:08.383Z","references":[{"type":"ADVISORY","url":"https://www.rapid7.com/blog/post/2021/07/27/multiple-open-source-web-app-vulnerabilities-fixed/"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/espocrm/espocrm","events":[{"introduced":"0"},{"last_affected":"6e9f368a0a01b69b28c6d7cb3cdfd94f31d349c2"}],"database_specific":{"versions":[{"introduced":"0"},{"last_affected":"6.1.6"}]}}],"versions":["1.0.0","1.0.1","1.1.0","1.1.1","1.1.2","1.2.0","2.0.1","2.3.0","2.4.0","2.5.0","2.5.1","2.5.2","2.6.0","2.8.0","2.8.1","2.9.0","3.0.0","3.1.0","3.2.0","3.3.0","3.4.0","3.4.1","3.4.2","3.5.0","3.6.0","3.6.1","3.7.0","3.7.1","3.8.0","3.9.0","3.9.1","4.0.0","4.0.0-beta.1","4.0.0-beta.2","4.0.0-beta.3","4.0.0-beta.4","4.0.1","4.0.2","4.0.3","4.1.0","4.1.1","4.1.2","4.1.3","4.1.4","4.2.0","4.2.1","4.2.2","4.2.3","4.2.4","4.3.0","4.3.0-beta.1","4.3.0-beta.2","4.4.0","4.5.0","4.6.0","4.7.0","4.8.0","5.0.0","5.0.1","5.1.0","5.1.1","5.1.2","5.2.0","5.2.1","5.2.2","5.2.3","5.2.4","5.2.5","5.3.0","5.3.1","5.3.2","5.4.0","5.4.1","5.4.2","5.4.3","5.5.0","5.5.1","5.6.0","5.6.1","5.7.0","5.7.1","5.7.2","5.7.3","5.7.4","5.7.5","5.8.0","5.8.1","5.8.2","5.9.0","5.9.1","5.9.2","6.0.0","6.0.0-beta1","6.0.0-beta2","6.0.0-beta4","6.0.1","6.1.0","6.1.1","6.1.2","6.1.3","6.1.4","6.1.5","6.1.6"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-3539.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N"}]}