{"id":"CVE-2020-15864","aliases":["EUVD-2020-7845","GHSA-rhpf-c9pm-hccm"],"status":"published","title":"An issue was discovered in Quali CloudShell 9.3. An XSS vulnerability in the login page allows an...","description":"An issue was discovered in Quali CloudShell 9.3. An XSS vulnerability in the login page allows an attacker to craft a URL, with a constructor.constructor substring in the username field, that executes a payload when the user visits the /Account/Login page.","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":"2026-11-11","score":0.00709,"percentile":0.53938,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2021-01-17T19:42:49Z","modified":"2026-06-17T02:57:19Z","products":[{"vendor":"quali","product":"cloudshell"}],"references":[{"url":"https://www.quali.com/products/cloudshell-pro/","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://burninatorsec.blogspot.com/2020/10/cve-2020-xxxxx-xss-in-quali-cloudshell.html","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-15864"},{"url":"https://github.com/advisories/GHSA-rhpf-c9pm-hccm"}],"sources":{"cve":[{"id":"CVE-2020-15864","description":"An issue was discovered in Quali CloudShell 9.3. An XSS vulnerability in the login page allows an attacker to craft a URL, with a constructor.constructor substring in the username field, that executes a payload when the user visits the /Account/Login page.","status":"published","published":"2021-01-17T19:42:49Z","modified":"2024-08-04T13:30:23.151Z","updated_at":"2026-11-02T14:35:50.545879Z"}],"euvd":[{"id":"EUVD-2020-7845","description":"An issue was discovered in Quali CloudShell 9.3. An XSS vulnerability in the login page allows an attacker to craft a URL, with a constructor.constructor substring in the username field, that executes a payload when the user visits the /Account/Login page.","status":"published","published":"2021-01-17T19:42:49Z","modified":"2024-08-04T13:30:23Z","updated_at":"2026-11-03T03:07:29.843843Z"}],"ghsa":[{"id":"GHSA-rhpf-c9pm-hccm","title":"An issue was discovered in Quali CloudShell 9.3. An XSS vulnerability in the login page allows an...","description":"An issue was discovered in Quali CloudShell 9.3. An XSS vulnerability in the login page allows an attacker to craft a URL, with a constructor.constructor substring in the username field, that executes a payload when the user visits the /Account/Login page.","status":"published","published":"2022-05-24T17:39:24Z","modified":"2023-01-29T05:05:25Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:45:47.324105Z"}],"nvd":[{"id":"CVE-2020-15864","description":"An issue was discovered in Quali CloudShell 9.3. An XSS vulnerability in the login page allows an attacker to craft a URL, with a constructor.constructor substring in the username field, that executes a payload when the user visits the /Account/Login page.","status":"published","published":"2021-01-17T20:15:12.41Z","modified":"2026-06-17T02:57:19.027Z","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":"2026-11-02T14:06:30.596418Z"}]}}