{"id":"CVE-2021-26122","aliases":["EUVD-2021-12939","GHSA-fc63-43rx-wrjg"],"status":"published","title":"LivingLogic XIST4C before 0.107.8 allows XSS via feedback.htm or feedback.wihtm.","description":"LivingLogic XIST4C before 0.107.8 allows XSS via feedback.htm or feedback.wihtm.","severity":{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.00672,"percentile":0.52557,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2021-05-07T11:07:20Z","modified":"2026-06-17T03:42:55Z","products":[{"vendor":"livinglogic","product":"xist4c"}],"references":[{"url":"https://www.xist4c.com","tags":["x_refsource_MISC","x_transferred","Product"]},{"url":"https://www.dgc.org/responsible_disclosure_20210421_livinglogic_xss","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-26122"},{"url":"https://github.com/advisories/GHSA-fc63-43rx-wrjg"}],"sources":{"cve":[{"id":"CVE-2021-26122","description":"LivingLogic XIST4C before 0.107.8 allows XSS via feedback.htm or feedback.wihtm.","status":"published","published":"2021-05-07T11:07:20Z","modified":"2024-08-03T20:19:20.078Z","updated_at":"2026-11-02T14:32:57.368269Z"}],"euvd":[{"id":"EUVD-2021-12939","description":"LivingLogic XIST4C before 0.107.8 allows XSS via feedback.htm or feedback.wihtm.","status":"published","published":"2021-05-07T11:07:20Z","modified":"2024-08-03T20:19:20Z","updated_at":"2026-11-03T03:24:51.962182Z"}],"ghsa":[{"id":"GHSA-fc63-43rx-wrjg","title":"LivingLogic XIST4C before 0.107.8 allows XSS via feedback.htm or feedback.wihtm.","description":"LivingLogic XIST4C before 0.107.8 allows XSS via feedback.htm or feedback.wihtm.","status":"published","published":"2022-05-24T19:01:47Z","modified":"2023-01-29T05:06:12Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:45:58.127346Z"}],"nvd":[{"id":"CVE-2021-26122","description":"LivingLogic XIST4C before 0.107.8 allows XSS via feedback.htm or feedback.wihtm.","status":"published","published":"2021-05-07T12:15:07.193Z","modified":"2026-06-17T03:42:55.423Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:06:52.81233Z"}]}}