{"id":"CVE-2026-59838","aliases":["EUVD-2026-44668","GHSA-qgv9-w22c-fhgv"],"status":"published","title":"A improper neutralization of script-related html tags in a web page (basic xss) vulnerability in...","description":"A improper neutralization of script-related html tags in a web page (basic xss) vulnerability in Fortinet FortiSIEM 7.4.0, FortiSIEM 7.3.0 through 7.3.4, FortiSIEM 7.2.0 through 7.2.6, FortiSIEM 7.1 all versions, FortiSIEM 7.0 all versions, FortiSIEM 6.7 all versions, FortiSIEM 6.6 all versions, FortiSIEM 6.5 all versions, FortiSIEM 6.4 all versions may allow attacker to execute unauthorized code or commands via \u003cinsert attack vector here\u003e","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L/E:P/RL:O/RC:C","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00242,"percentile":0.15488,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-80"],"published":"2026-07-15T13:43:36Z","modified":"2026-10-24T21:10:00Z","products":[{"vendor":"fortinet","product":"fortisiem"}],"references":[{"url":"https://fortiguard.fortinet.com/psirt/FG-IR-26-149","tags":["Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-59838"},{"url":"https://github.com/advisories/GHSA-qgv9-w22c-fhgv"}],"sources":{"cve":[{"id":"CVE-2026-59838","description":"A improper neutralization of script-related html tags in a web page (basic xss) vulnerability in Fortinet FortiSIEM 7.4.0, FortiSIEM 7.3.0 through 7.3.4, FortiSIEM 7.2.0 through 7.2.6, FortiSIEM 7.1 all versions, FortiSIEM 7.0 all versions, FortiSIEM 6.7 all versions, FortiSIEM 6.6 all versions, FortiSIEM 6.5 all versions, FortiSIEM 6.4 all versions may allow attacker to execute unauthorized code or commands via \u003cinsert attack vector here\u003e","status":"published","published":"2026-07-15T13:43:36.794Z","modified":"2026-07-15T14:23:20.174Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L/E:P/RL:O/RC:C","level":"medium","assessor":"cna"}],"cwes":["CWE-80"],"updated_at":"2026-11-02T14:19:58.944663Z"}],"euvd":[{"id":"EUVD-2026-44668","description":"A improper neutralization of script-related html tags in a web page (basic xss) vulnerability in Fortinet FortiSIEM 7.4.0, FortiSIEM 7.3.0 through 7.3.4, FortiSIEM 7.2.0 through 7.2.6, FortiSIEM 7.1 all versions, FortiSIEM 7.0 all versions, FortiSIEM 6.7 all versions, FortiSIEM 6.6 all versions, FortiSIEM 6.5 all versions, FortiSIEM 6.4 all versions may allow attacker to execute unauthorized code or commands via \u003cinsert attack vector here\u003e","status":"published","published":"2026-07-15T13:43:36Z","modified":"2026-07-15T14:23:20Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L/E:P/RL:O/RC:C","level":"medium"}],"updated_at":"2026-11-02T18:19:52.740004Z"}],"ghsa":[{"id":"GHSA-qgv9-w22c-fhgv","title":"A improper neutralization of script-related html tags in a web page (basic xss) vulnerability in...","description":"A improper neutralization of script-related html tags in a web page (basic xss) vulnerability in Fortinet FortiSIEM 7.4.0, FortiSIEM 7.3.0 through 7.3.4, FortiSIEM 7.2.0 through 7.2.6, FortiSIEM 7.1 all versions, FortiSIEM 7.0 all versions, FortiSIEM 6.7 all versions, FortiSIEM 6.6 all versions, FortiSIEM 6.5 all versions, FortiSIEM 6.4 all versions may allow attacker to execute unauthorized code or commands via \u003cinsert attack vector here\u003e","status":"published","published":"2026-07-15T15:33:06Z","modified":"2026-07-15T15:33:13Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L","level":"medium"}],"cwes":["CWE-80"],"updated_at":"2026-11-02T15:09:33.182129Z"}],"nvd":[{"id":"CVE-2026-59838","description":"A improper neutralization of script-related html tags in a web page (basic xss) vulnerability in Fortinet FortiSIEM 7.4.0, FortiSIEM 7.3.0 through 7.3.4, FortiSIEM 7.2.0 through 7.2.6, FortiSIEM 7.1 all versions, FortiSIEM 7.0 all versions, FortiSIEM 6.7 all versions, FortiSIEM 6.6 all versions, FortiSIEM 6.5 all versions, FortiSIEM 6.4 all versions may allow attacker to execute unauthorized code or commands via \u003cinsert attack vector here\u003e","status":"published","published":"2026-07-15T14:18:33.057Z","modified":"2026-10-24T21:10:00.13Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L","level":"medium","assessor":"secondary"},{"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"}],"cwes":["CWE-80"],"updated_at":"2026-11-02T14:12:29.879716Z"}]}}