{"id":"CVE-2023-45280","aliases":["GHSA-643f-hpcc-2gv8"],"url":"https://o3.security/vulnerability/CVE-2023-45280","summary":"Yamcs Cross-site Scripting vulnerability","details":"Yamcs 5.8.6 allows XSS (issue 2 of 2). It comes with a Bucket as its primary storage mechanism. Buckets allow for the upload of any file. There's a way to upload an HTML file containing arbitrary JavaScript and then navigate to it. Once the user opens the file, the browser will execute the arbitrary JavaScript.","published":"2023-10-19T00:00:00Z","modified":"2026-08-12T03:51:34.114221381Z","cvss":{"score":5.4,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":1,"affectedPackages":[{"ecosystem":"Maven","name":"org.yamcs:yamcs","fixedVersion":"5.8.7"}],"fix":null,"references":[{"type":"WEB","url":"https://github.com/yamcs/yamcs/compare/yamcs-5.8.6...yamcs-5.8.7"},{"type":"WEB","url":"https://www.linkedin.com/pulse/yamcs-vulnerability-assessment-visionspace-technologies"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/45xxx/CVE-2023-45280.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-45280"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:34.114221381Z"}}