{"id":"GHSA-fw5q-j9p4-3vxg","aliases":["CVE-2020-15276"],"title":"Blog comment posting, Cross Site Scripting(XSS) Vulnerability in Latest Release 4.4.0","description":"baserCMS 4.4.0 and earlier is affected by Cross Site Scripting (XSS).\n\nImpact: XSS via Arbitrary script execution.\nComponents are: Blog comment posting\nTested baserCMS Version : 4.4.0 (Latest)\nAffected baserCMS Version : 4.0.0 ~ 4.4.0\nPatches : https://basercms.net/security/20201029\nFound by yama","severity":"high","score":7.7,"published":"2020-10-30T19:10:20.000Z","modified":"2026-07-08T06:00:31.505Z","withdrawn":false,"knownExploited":false,"affected":[{"ecosystem":"Packagist","name":"baserproject/basercms","ranges":[{"events":[{"introduced":"4.4.0"},{"fixed":"4.4.1"}],"type":"ECOSYSTEM"}],"versions":["4.4.0"],"fixed":["4.4.1"]}],"references":["https://github.com/baserproject/basercms/security/advisories/GHSA-fw5q-j9p4-3vxg","https://nvd.nist.gov/vuln/detail/CVE-2020-15276","https://github.com/baserproject/basercms/commit/d14f506385f21d67d5ff3462f204d4c2321b7c54","https://basercms.net/security/20201029"],"sources":[{"name":"OSV","id":"GHSA-fw5q-j9p4-3vxg","modified":"2026-07-08T06:00:31.505427152Z","url":"https://osv.dev/vulnerability/GHSA-fw5q-j9p4-3vxg"}],"assessments":[{"source":"OSV","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N","score":7.7}]}