{"id":"CVE-2021-24782","aliases":["EUVD-2021-11694","GHSA-fp4x-73jw-phj9"],"status":"published","title":"Flex Local Fonts \u003c= 1.0.0 - Admin+ Stored Cross-Site-Scripting","description":"The Flex Local Fonts WordPress plugin through 1.0.0 does not escape the Class Name field when adding a font, which could allow hight privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed.","severity":{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.00617,"percentile":0.50097,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2021-12-13T10:40:51Z","modified":"2026-06-17T03:40:53Z","products":[{"vendor":"flex_local_fonts_project","product":"flex_local_fonts"},{"vendor":"unknown","product":"flex local fonts"}],"references":[{"url":"https://wpscan.com/vulnerability/5cd846df-1d8b-488d-a691-b76850e8687a","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-24782"},{"url":"https://github.com/advisories/GHSA-fp4x-73jw-phj9"}],"sources":{"cve":[{"id":"CVE-2021-24782","title":"Flex Local Fonts \u003c= 1.0.0 - Admin+ Stored Cross-Site-Scripting","description":"The Flex Local Fonts WordPress plugin through 1.0.0 does not escape the Class Name field when adding a font, which could allow hight privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed.","status":"published","published":"2021-12-13T10:40:51Z","modified":"2024-08-03T19:42:17.321Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:33:05.331617Z"}],"euvd":[{"id":"EUVD-2021-11694","description":"The Flex Local Fonts WordPress plugin through 1.0.0 does not escape the Class Name field when adding a font, which could allow hight privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed.","status":"published","published":"2021-12-13T10:40:51Z","modified":"2024-08-03T19:42:17Z","updated_at":"2026-11-03T03:24:55.867627Z"}],"ghsa":[{"id":"GHSA-fp4x-73jw-phj9","title":"The Flex Local Fonts WordPress plugin through 1.0.0 does not escape the Class Name field when...","description":"The Flex Local Fonts WordPress plugin through 1.0.0 does not escape the Class Name field when adding a font, which could allow hight privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed.","status":"published","published":"2021-12-14T00:01:08Z","modified":"2023-02-01T05:06:46Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:50:25.046492Z"}],"nvd":[{"id":"CVE-2021-24782","description":"The Flex Local Fonts WordPress plugin through 1.0.0 does not escape the Class Name field when adding a font, which could allow hight privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed.","status":"published","published":"2021-12-13T11:15:08.493Z","modified":"2026-06-17T03:40:53.867Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/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":"2026-11-02T14:07:02.189991Z"}]}}