{"id":"CVE-2021-3539","aliases":["BIT-espocrm-2021-3539","EUVD-2021-26850","GHSA-8v94-m4qx-qvc5"],"status":"published","title":"EspoCRM Avatar Persistent XSS","description":"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.","severity":{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00583,"percentile":0.48125,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-79"],"published":"2021-08-04T22:20:47Z","modified":"2026-10-24T10:30:42Z","fixes":[{"ecosystem":"Bitnami","package":"espocrm","fixed_in":["6.1.6"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Bitnami","package":"espocrm","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"6.1.6"}]}]}],"products":[{"vendor":"espocrm","product":"espocrm"}],"references":[{"url":"https://www.rapid7.com/blog/post/2021/07/27/multiple-open-source-web-app-vulnerabilities-fixed/","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","web","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-3539"},{"url":"https://github.com/advisories/GHSA-8v94-m4qx-qvc5"}],"sources":{"cve":[{"id":"CVE-2021-3539","title":"EspoCRM Avatar Persistent XSS","description":"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.","status":"published","published":"2021-08-04T22:20:47.939Z","modified":"2024-09-16T18:39:36.342Z","cvss":[{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:33:04.020035Z"}],"euvd":[{"id":"EUVD-2021-26850","description":"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.","status":"published","published":"2021-08-04T22:20:47Z","modified":"2024-09-16T18:39:36Z","cvss":[{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N","level":"medium"}],"updated_at":"2026-11-03T00:55:30.637715Z"}],"ghsa":[{"id":"GHSA-8v94-m4qx-qvc5","title":"EspoCRM 6.1.6 and prior suffers from a persistent (type II) cross-site scripting (XSS)...","description":"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.","status":"published","published":"2022-05-24T19:10:14Z","modified":"2023-01-30T05:01:17Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:46:22.480874Z"}],"nvd":[{"id":"CVE-2021-3539","description":"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.","status":"published","published":"2021-08-04T23:15:08.383Z","modified":"2026-06-17T04:05:18.787Z","cvss":[{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":3.5,"vector":"AV:N/AC:M/Au:S/C:N/I:P/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:06:56.562207Z"}],"osv":[{"id":"CVE-2021-3539","description":"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.","status":"published","published":"2021-08-04T23:15:08.383Z","modified":"2026-10-24T10:30:42.14365868Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:20.13324Z"},{"id":"BIT-espocrm-2021-3539","description":"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.","status":"published","published":"2024-03-06T10:52:57.367Z","modified":"2024-03-06T11:25:28.861Z","updated_at":"2026-11-02T15:28:29.563843Z"}]}}