{"id":"CVE-2020-21345","aliases":["EUVD-2020-14117","GHSA-h8xr-gw8j-g54x"],"status":"published","title":"Cross Site Scripting (XSS) vulnerability in Halo 1.1.3 via post publish components in the manage...","description":"Cross Site Scripting (XSS) vulnerability in Halo 1.1.3 via post publish components in the manage panel, which lets a remote malicious user execute arbitrary code.","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":"2026-11-10","score":0.00807,"percentile":0.57137,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2021-05-20T16:51:50Z","modified":"2026-06-17T03:03:38Z","products":[{"vendor":"halo","product":"halo"}],"references":[{"url":"https://github.com/halo-dev/halo/issues/336","tags":["x_refsource_MISC","x_transferred","Exploit","Issue Tracking","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-21345"},{"url":"https://github.com/advisories/GHSA-h8xr-gw8j-g54x"}],"sources":{"cve":[{"id":"CVE-2020-21345","description":"Cross Site Scripting (XSS) vulnerability in Halo 1.1.3 via post publish components in the manage panel, which lets a remote malicious user execute arbitrary code.","status":"published","published":"2021-05-20T16:51:50Z","modified":"2024-08-04T14:22:25.525Z","updated_at":"2026-11-02T14:35:48.854892Z"}],"euvd":[{"id":"EUVD-2020-14117","description":"Cross Site Scripting (XSS) vulnerability in Halo 1.1.3 via post publish components in the manage panel, which lets a remote malicious user execute arbitrary code.","status":"published","published":"2021-05-20T16:51:50Z","modified":"2024-08-04T14:22:25Z","updated_at":"2026-11-03T03:07:23.734565Z"}],"ghsa":[{"id":"GHSA-h8xr-gw8j-g54x","title":"Cross Site Scripting (XSS) vulnerability in Halo 1.1.3 via post publish components in the manage...","description":"Cross Site Scripting (XSS) vulnerability in Halo 1.1.3 via post publish components in the manage panel, which lets a remote malicious user execute arbitrary code.","status":"published","published":"2022-05-24T19:02:50Z","modified":"2023-01-29T05:06:45Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:46:05.419939Z"}],"nvd":[{"id":"CVE-2020-21345","description":"Cross Site Scripting (XSS) vulnerability in Halo 1.1.3 via post publish components in the manage panel, which lets a remote malicious user execute arbitrary code.","status":"published","published":"2021-05-20T17:15:07.517Z","modified":"2026-06-17T03:03:38.137Z","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":"2026-11-02T14:06:39.25999Z"}]}}