{"id":"CVE-2020-8020","aliases":["DEBIAN-CVE-2020-8020","DLA-2545-1","EUVD-2020-28933","GHSA-mjhp-68j4-wwx7","UBUNTU-CVE-2020-8020"],"status":"published","title":"Persistent XSS in markdown parser used by obs-server","description":"A Improper Neutralization of Input During Web Page Generation vulnerability in open-build-service allows remote attackers to store arbitrary JS code to cause XSS. This issue affects: openSUSE open-build-service versions prior to 7cc32c8e2ff7290698e101d9a80a9dc29a5500fb.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00916,"percentile":0.6045,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-79"],"published":"2020-05-13T14:50:13Z","modified":"2026-10-26T12:02:16Z","fixes":[{"ecosystem":"Debian:12","package":"open-build-service","fixed_in":["2.9.4-4"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"open-build-service","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.4-4"}]}]},{"source":"osv","ecosystem":"Debian:9","package":"open-build-service","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.7.1-10+deb9u1"}]}],"versions":["2.7.1-10"],"bundled":2},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"open-build-service","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.7.4-2"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"open-build-service","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.9.4-9","2.9.4-10"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"open-build-service","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.9.4-10"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"open-build-service","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.9.4-10"]}],"products":[{"vendor":"debian","product":"debian_linux"},{"vendor":"opensuse","product":"open-build-service"},{"vendor":"opensuse","product":"open_build_service"}],"references":[{"url":"https://bugzilla.suse.com/show_bug.cgi?id=1171439","tags":["x_refsource_CONFIRM","x_transferred","Issue Tracking","Vendor Advisory","report"]},{"url":"https://lists.debian.org/debian-lts-announce/2021/02/msg00006.html","tags":["mailing-list","x_refsource_MLIST","x_transferred","Mailing List","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-8020"},{"url":"https://github.com/advisories/GHSA-mjhp-68j4-wwx7"},{"url":"https://security-tracker.debian.org/tracker/CVE-2020-8020","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2020-8020","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-8020","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2020-8020","title":"Persistent XSS in markdown parser used by obs-server","description":"A Improper Neutralization of Input During Web Page Generation vulnerability in open-build-service allows remote attackers to store arbitrary JS code to cause XSS. This issue affects: openSUSE open-build-service versions prior to 7cc32c8e2ff7290698e101d9a80a9dc29a5500fb.","status":"published","published":"2020-05-13T14:50:13.224Z","modified":"2024-09-16T17:42:38.552Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:35:50.88562Z"}],"euvd":[{"id":"EUVD-2020-28933","description":"A Improper Neutralization of Input During Web Page Generation vulnerability in open-build-service allows remote attackers to store arbitrary JS code to cause XSS. This issue affects: openSUSE open-build-service versions prior to 7cc32c8e2ff7290698e101d9a80a9dc29a5500fb.","status":"published","published":"2020-05-13T14:50:13Z","modified":"2024-09-16T17:42:38Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-03T00:55:39.660997Z"}],"ghsa":[{"id":"GHSA-mjhp-68j4-wwx7","title":"A Improper Neutralization of Input During Web Page Generation vulnerability in open-build-service...","description":"A Improper Neutralization of Input During Web Page Generation vulnerability in open-build-service allows remote attackers to store arbitrary JS code to cause XSS. This issue affects: openSUSE open-build-service versions prior to 7cc32c8e2ff7290698e101d9a80a9dc29a5500fb.","status":"published","published":"2022-05-24T17:17:49Z","modified":"2023-01-29T05:02:52Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:45:11.402148Z"}],"nvd":[{"id":"CVE-2020-8020","description":"A Improper Neutralization of Input During Web Page Generation vulnerability in open-build-service allows remote attackers to store arbitrary JS code to cause XSS. This issue affects: openSUSE open-build-service versions prior to 7cc32c8e2ff7290698e101d9a80a9dc29a5500fb.","status":"published","published":"2020-05-13T15:15:11.7Z","modified":"2026-06-17T03:25:47.93Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"secondary"},{"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":"2026-11-02T14:06:00.784809Z"}],"osv":[{"id":"CVE-2020-8020","description":"A Improper Neutralization of Input During Web Page Generation vulnerability in open-build-service allows remote attackers to store arbitrary JS code to cause XSS. This issue affects: openSUSE open-build-service versions prior to 7cc32c8e2ff7290698e101d9a80a9dc29a5500fb.","status":"published","published":"2020-05-13T15:15:11.7Z","modified":"2026-03-14T01:39:19.745864Z","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"}],"updated_at":"2026-11-02T15:44:17.34531Z"},{"id":"DEBIAN-CVE-2020-8020","description":"A Improper Neutralization of Input During Web Page Generation vulnerability in open-build-service allows remote attackers to store arbitrary JS code to cause XSS. This issue affects: openSUSE open-build-service versions prior to 7cc32c8e2ff7290698e101d9a80a9dc29a5500fb.","status":"published","published":"2020-05-13T15:15:11.7Z","modified":"2026-10-26T12:02:16.929190704Z","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"}],"updated_at":"2026-11-02T15:45:34.311861Z"},{"id":"UBUNTU-CVE-2020-8020","description":"A Improper Neutralization of Input During Web Page Generation vulnerability in open-build-service allows remote attackers to store arbitrary JS code to cause XSS. This issue affects: openSUSE open-build-service versions prior to 7cc32c8e2ff7290698e101d9a80a9dc29a5500fb.","status":"published","published":"2020-05-13T15:15:00Z","modified":"2026-05-20T16:04:39.047663091Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium"},{"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"}],"updated_at":"2026-11-02T15:54:25.728622Z"},{"id":"DLA-2545-1","title":"open-build-service - security update","status":"published","published":"2021-02-03T00:00:00Z","modified":"2026-03-09T01:17:51.535383Z","updated_at":"2026-11-02T15:46:10.712745Z"}]}}