{"id":"UBUNTU-CVE-2020-8031","details":"A Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Open Build Service allows remote attackers to store JS code in markdown that is not properly escaped, impacting confidentiality and integrity. This issue affects: Open Build Service versions prior to 2.10.8.","modified":"2026-05-20T16:06:24.778994076Z","published":"2021-02-11T15:15:00Z","upstream":["CVE-2020-8031"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-8031"},{"type":"REPORT","url":"https://bugzilla.suse.com/show_bug.cgi?id=1178880"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2020-8031"}],"affected":[{"package":{"name":"open-build-service","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/open-build-service?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.7.4-2"],"ecosystem_specific":{"binaries":[{"binary_name":"obs-api","binary_version":"2.7.4-2"},{"binary_name":"obs-productconverter","binary_version":"2.7.4-2"},{"binary_name":"obs-server","binary_version":"2.7.4-2"},{"binary_name":"obs-utils","binary_version":"2.7.4-2"},{"binary_name":"obs-worker","binary_version":"2.7.4-2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-8031.json"}},{"package":{"name":"open-build-service","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/open-build-service?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.9.4-9","2.9.4-10"],"ecosystem_specific":{"binaries":[{"binary_name":"obs-productconverter","binary_version":"2.9.4-10"},{"binary_name":"obs-server","binary_version":"2.9.4-10"},{"binary_name":"obs-utils","binary_version":"2.9.4-10"},{"binary_name":"obs-worker","binary_version":"2.9.4-10"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-8031.json"}},{"package":{"name":"open-build-service","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/open-build-service?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.9.4-10"],"ecosystem_specific":{"binaries":[{"binary_name":"obs-productconverter","binary_version":"2.9.4-10"},{"binary_name":"obs-server","binary_version":"2.9.4-10"},{"binary_name":"obs-utils","binary_version":"2.9.4-10"},{"binary_name":"obs-worker","binary_version":"2.9.4-10"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-8031.json"}},{"package":{"name":"open-build-service","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/open-build-service?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.9.4-10"],"ecosystem_specific":{"binaries":[{"binary_name":"obs-productconverter","binary_version":"2.9.4-10"},{"binary_name":"obs-server","binary_version":"2.9.4-10"},{"binary_name":"obs-utils","binary_version":"2.9.4-10"},{"binary_name":"obs-worker","binary_version":"2.9.4-10"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-8031.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N"},{"type":"Ubuntu","score":"medium"}]}