{"id":"CVE-2020-8160","aliases":["EUVD-2020-29051","GHSA-7726-7mp9-p4f2"],"status":"published","title":"MendixSSO \u003c= 2.1.1 contains endpoints that make use of the openid handler, which is suffering...","description":"MendixSSO \u003c= 2.1.1 contains endpoints that make use of the openid handler, which is suffering from a Cross-Site Scripting vulnerability via the URL path. This is caused by the reflection of user-supplied data without appropriate HTML escaping or output encoding. As a result, a JavaScript payload may be injected into the above endpoint causing it to be executed within the context of the victim's browser.","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":"2026-11-09","score":0.00723,"percentile":0.54306,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2021-01-06T14:03:44Z","modified":"2026-06-17T03:25:57Z","products":[{"vendor":"mendix","product":"mendixsso"}],"references":[{"url":"https://hackerone.com/reports/838178","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://marketplace.mendix.com/link/component/111349","tags":["x_refsource_MISC","x_transferred","Product","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-8160"},{"url":"https://github.com/advisories/GHSA-7726-7mp9-p4f2"}],"sources":{"cve":[{"id":"CVE-2020-8160","description":"MendixSSO \u003c= 2.1.1 contains endpoints that make use of the openid handler, which is suffering from a Cross-Site Scripting vulnerability via the URL path. This is caused by the reflection of user-supplied data without appropriate HTML escaping or output encoding. As a result, a JavaScript payload may be injected into the above endpoint causing it to be executed within the context of the victim's browser.","status":"published","published":"2021-01-06T14:03:44Z","modified":"2024-08-04T09:48:25.59Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:35:50.88562Z"}],"euvd":[{"id":"EUVD-2020-29051","description":"MendixSSO \u003c= 2.1.1 contains endpoints that make use of the openid handler, which is suffering from a Cross-Site Scripting vulnerability via the URL path. This is caused by the reflection of user-supplied data without appropriate HTML escaping or output encoding. As a result, a JavaScript payload may be injected into the above endpoint causing it to be executed within the context of the victim's browser.","status":"published","published":"2021-01-06T14:03:44Z","modified":"2024-08-04T09:48:25Z","updated_at":"2026-11-03T03:07:58.055641Z"}],"ghsa":[{"id":"GHSA-7726-7mp9-p4f2","title":"MendixSSO \u003c= 2.1.1 contains endpoints that make use of the openid handler, which is suffering...","description":"MendixSSO \u003c= 2.1.1 contains endpoints that make use of the openid handler, which is suffering from a Cross-Site Scripting vulnerability via the URL path. This is caused by the reflection of user-supplied data without appropriate HTML escaping or output encoding. As a result, a JavaScript payload may be injected into the above endpoint causing it to be executed within the context of the victim's browser.","status":"published","published":"2022-05-24T17:38:07Z","modified":"2023-01-29T05:05:16Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:45:44.97547Z"}],"nvd":[{"id":"CVE-2020-8160","description":"MendixSSO \u003c= 2.1.1 contains endpoints that make use of the openid handler, which is suffering from a Cross-Site Scripting vulnerability via the URL path. This is caused by the reflection of user-supplied data without appropriate HTML escaping or output encoding. As a result, a JavaScript payload may be injected into the above endpoint causing it to be executed within the context of the victim's browser.","status":"published","published":"2021-01-06T15:15:16.493Z","modified":"2026-06-17T03:25:57.86Z","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":"2026-11-02T14:06:28.892872Z"}]}}