{"id":"CVE-2020-13893","aliases":["EUVD-2020-6101","GHSA-m76c-23w7-gcrm"],"status":"published","title":"Multiple stored cross-site scripting (XSS) vulnerabilities in Sage EasyPay 10.7.5.10 allow...","description":"Multiple stored cross-site scripting (XSS) vulnerabilities in Sage EasyPay 10.7.5.10 allow authenticated attackers to inject arbitrary web script or HTML via multiple parameters through Unicode Transformations (Best-fit Mapping), as demonstrated by the full-width variants of the less-than sign (%EF%BC%9C) and greater-than sign (%EF%BC%9E).","severity":{"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","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00532,"percentile":0.45255,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2020-10-18T18:55:24Z","modified":"2026-06-17T02:53:51Z","products":[{"vendor":"sage","product":"easypay"}],"references":[{"url":"https://www.sage.com/en-sg/products/sage-easypay/","tags":["x_refsource_MISC","x_transferred","Product","Vendor Advisory"]},{"url":"https://gist.github.com/picar0jsu/4532a6d15e8f8d7597b7dca5136ad655","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-13893"},{"url":"https://github.com/advisories/GHSA-m76c-23w7-gcrm"}],"sources":{"cve":[{"id":"CVE-2020-13893","description":"Multiple stored cross-site scripting (XSS) vulnerabilities in Sage EasyPay 10.7.5.10 allow authenticated attackers to inject arbitrary web script or HTML via multiple parameters through Unicode Transformations (Best-fit Mapping), as demonstrated by the full-width variants of the less-than sign (%EF%BC%9C) and greater-than sign (%EF%BC%9E).","status":"published","published":"2020-10-18T18:55:24Z","modified":"2024-08-04T12:32:14.27Z","updated_at":"2026-11-02T14:35:53.868619Z"}],"euvd":[{"id":"EUVD-2020-6101","description":"Multiple stored cross-site scripting (XSS) vulnerabilities in Sage EasyPay 10.7.5.10 allow authenticated attackers to inject arbitrary web script or HTML via multiple parameters through Unicode Transformations (Best-fit Mapping), as demonstrated by the full-width variants of the less-than sign (%EF%BC%9C) and greater-than sign (%EF%BC%9E).","status":"published","published":"2020-10-18T18:55:24Z","modified":"2024-08-04T12:32:14Z","updated_at":"2026-11-03T03:07:36.182524Z"}],"ghsa":[{"id":"GHSA-m76c-23w7-gcrm","title":"Multiple stored cross-site scripting (XSS) vulnerabilities in Sage EasyPay 10.7.5.10 allow...","description":"Multiple stored cross-site scripting (XSS) vulnerabilities in Sage EasyPay 10.7.5.10 allow authenticated attackers to inject arbitrary web script or HTML via multiple parameters through Unicode Transformations (Best-fit Mapping), as demonstrated by the full-width variants of the less-than sign (%EF%BC%9C) and greater-than sign (%EF%BC%9E).","status":"published","published":"2022-05-24T17:31:12Z","modified":"2023-01-29T05:04:22Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:45:32.201087Z"}],"nvd":[{"id":"CVE-2020-13893","description":"Multiple stored cross-site scripting (XSS) vulnerabilities in Sage EasyPay 10.7.5.10 allow authenticated attackers to inject arbitrary web script or HTML via multiple parameters through Unicode Transformations (Best-fit Mapping), as demonstrated by the full-width variants of the less-than sign (%EF%BC%9C) and greater-than sign (%EF%BC%9E).","status":"published","published":"2020-10-18T19:15:12.18Z","modified":"2026-06-17T02:53:51.12Z","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","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":"2026-11-02T14:06:19.351389Z"}]}}