{"id":"CVE-2025-66501","aliases":["EUVD-2025-204459","GHSA-wwrp-v67c-phr5"],"status":"published","title":"Foxit pdfonline.foxit.com Stored Cross-Site Scripting in eSign Predefined Text Feature","description":"A stored cross-site scripting (XSS) vulnerability exists in pdfonline.foxit.com within the Predefined Text feature of the Foxit eSign section. A crafted payload can be stored via the Identity “First Name” field, which is later rendered into the DOM without proper sanitization. As a result, the injected script may execute when predefined text is used or when viewing document properties.","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":"2026-11-10","score":0.00179,"percentile":0.0753,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2025-12-19T07:23:29Z","modified":"2026-06-17T09:56:56Z","products":[{"vendor":"foxit","product":"pdf_editor_cloud"},{"vendor":"foxit software inc.","product":"pdfonline.foxit.com"}],"references":[{"url":"https://www.foxit.com/support/security-bulletins.html","tags":["Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-66501"},{"url":"https://github.com/advisories/GHSA-wwrp-v67c-phr5"}],"sources":{"cve":[{"id":"CVE-2025-66501","title":"Foxit pdfonline.foxit.com Stored Cross-Site Scripting in eSign Predefined Text Feature","description":"A stored cross-site scripting (XSS) vulnerability exists in pdfonline.foxit.com within the Predefined Text feature of the Foxit eSign section. A crafted payload can be stored via the Identity “First Name” field, which is later rendered into the DOM without proper sanitization. As a result, the injected script may execute when predefined text is used or when viewing document properties.","status":"published","published":"2025-12-19T07:23:29.09Z","modified":"2025-12-19T17:12:02.258Z","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":"2026-11-02T14:32:52.839698Z"}],"euvd":[{"id":"EUVD-2025-204459","description":"A stored cross-site scripting (XSS) vulnerability exists in pdfonline.foxit.com within the Predefined Text feature of the Foxit eSign section. A crafted payload can be stored via the Identity “First Name” field, which is later rendered into the DOM without proper sanitization. As a result, the injected script may execute when predefined text is used or when viewing document properties.","status":"published","published":"2025-12-19T07:23:29Z","modified":"2025-12-19T17:12:02Z","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":"2026-11-02T19:49:02.188903Z"}],"ghsa":[{"id":"GHSA-wwrp-v67c-phr5","title":"A stored cross-site scripting (XSS) vulnerability exists in pdfonline.foxit.com within the...","description":"A stored cross-site scripting (XSS) vulnerability exists in pdfonline.foxit.com within the Predefined Text feature of the Foxit eSign section. A crafted payload can be stored via the Identity “First Name” field, which is later rendered into the DOM without proper sanitization. As a result, the injected script may execute when predefined text is used or when viewing document properties.","status":"published","published":"2025-12-19T09:30:28Z","modified":"2025-12-19T09:30:39Z","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"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:05:17.523471Z"}],"nvd":[{"id":"CVE-2025-66501","description":"A stored cross-site scripting (XSS) vulnerability exists in pdfonline.foxit.com within the Predefined Text feature of the Foxit eSign section. A crafted payload can be stored via the Identity “First Name” field, which is later rendered into the DOM without proper sanitization. As a result, the injected script may execute when predefined text is used or when viewing document properties.","status":"published","published":"2025-12-19T08:15:53.583Z","modified":"2026-06-17T09:56:56.807Z","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"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:11:52.309391Z"}]}}