{"id":"CVE-2026-30879","aliases":["GHSA-jmq3-x8q7-j9qm"],"url":"https://o3.security/vulnerability/CVE-2026-30879","summary":"baserCMS: Cross-site scripting vulnerability in blog post","details":"baserCMS has a cross-site scripting vulnerability in blog posts.\n\n### Target\nbaserCMS 5.2.1 and earlier versions\n\n### Vulnerability\n\nMalicious Javascript may be executed in blog posts.\n\n### Countermeasures\nUpdate to the latest version of baserCMS\n\nPlease refer to the following page to reference for more information.\nhttps://basercms.net/security/JVN_20837860\n\n### Credits\n\nGai Tanaka@Mitsui Bussan Secure Directions, Inc.","published":"2026-03-31T00:45:50.416Z","modified":"2026-08-12T03:51:40.045014949Z","cvss":null,"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Packagist","name":"baserproject/basercms","fixedVersion":"5.2.3"}],"fix":null,"references":[{"type":"WEB","url":"https://basercms.net/security/JVN_20837860"},{"type":"WEB","url":"https://github.com/baserproject/basercms/releases/tag/5.2.3"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/30xxx/CVE-2026-30879.json"},{"type":"ADVISORY","url":"https://github.com/baserproject/basercms/security/advisories/GHSA-jmq3-x8q7-j9qm"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-30879"},{"type":"PACKAGE","url":"https://github.com/baserproject/basercms"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:40.045014949Z"}}