{"id":"CVE-2023-6379","aliases":["EUVD-2023-58619","GHSA-w62v-q77r-66cc"],"status":"published","title":"Cross-site Scripting in Alkacon Software OpenCms","description":"Cross-site scripting (XSS) vulnerability in Alkacon Software Open CMS, affecting versions 14 and 15 of the 'Mercury' template. This vulnerability could allow a remote attacker to send a specially crafted JavaScript payload to a victim and partially take control of their browsing session.","severity":{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.01752,"percentile":0.78187,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-79"],"published":"2023-12-13T10:52:01Z","modified":"2026-10-28T02:31:06Z","exploits":[{"source":"nuclei","id":"CVE-2023-6379","title":"OpenCMS 14 \u0026 15 - Cross Site Scripting","type":"detection template","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2023/CVE-2023-6379.yaml"}],"fixes":[{"ecosystem":"Maven","package":"org.opencms:opencms-core","fixed_in":["16.0.0"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Maven","package":"org.opencms:opencms-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"14.0.0"},{"fixed":"16.0.0"}]}]},{"source":"osv","ecosystem":"Maven","package":"org.opencms:opencms-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"14.0.0"},{"fixed":"16.0.0"}]}],"versions":["14.0","15.0"]}],"products":[{"vendor":"alkacon","product":"open cms"},{"vendor":"alkacon","product":"opencms"}],"references":[{"url":"https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-alkacon-software-opencms","tags":["x_transferred","Third Party Advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-6379","tags":["advisory"]},{"url":"https://github.com/alkacon/opencms-core/commit/d965c18ac6d24ad75bfea272edb8b2efd4290afa","tags":["web"]},{"url":"https://github.com/advisories/GHSA-w62v-q77r-66cc"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/6xxx/CVE-2023-6379.json","tags":["advisory"]},{"url":"https://github.com/alkacon/opencms-core","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2023-6379","title":"Cross-site Scripting in Alkacon Software OpenCms","description":"Cross-site scripting (XSS) vulnerability in Alkacon Software Open CMS, affecting versions 14 and 15 of the 'Mercury' template. This vulnerability could allow a remote attacker to send a specially crafted JavaScript payload to a victim and partially take control of their browsing session.","status":"published","published":"2023-12-13T10:52:01.743Z","modified":"2024-10-01T14:47:25.647Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:35:25.469654Z"}],"euvd":[{"id":"EUVD-2023-58619","description":"Cross-site scripting (XSS) vulnerability in Alkacon Software Open CMS, affecting versions 14 and 15 of the 'Mercury' template. This vulnerability could allow a remote attacker to send a specially crafted JavaScript payload to a victim and partially take control of their browsing session.","status":"published","published":"2023-12-13T10:52:01Z","modified":"2024-10-01T14:47:25Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-03T00:28:01.48056Z"}],"ghsa":[{"id":"GHSA-w62v-q77r-66cc","title":"Alkacon OpenCMS XSS via Mercury template","description":"Cross-site scripting (XSS) vulnerability in Alkacon Software Open CMS, affecting versions 14 and 15 of the 'Mercury' template. This vulnerability could allow a remote attacker to send a specially crafted JavaScript payload to a victim and partially take control of their browsing session.","status":"published","published":"2023-12-13T12:30:43Z","modified":"2025-06-20T16:04:53Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:38:47.835488Z"}],"nvd":[{"id":"CVE-2023-6379","description":"Cross-site scripting (XSS) vulnerability in Alkacon Software Open CMS, affecting versions 14 and 15 of the 'Mercury' template. This vulnerability could allow a remote attacker to send a specially crafted JavaScript payload to a victim and partially take control of their browsing session.","status":"published","published":"2023-12-13T11:15:07.1Z","modified":"2026-06-17T06:50:38.777Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/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"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:08:54.696438Z"}],"osv":[{"id":"CVE-2023-6379","title":"Cross-site Scripting in Alkacon Software OpenCms","description":"Cross-site scripting (XSS) vulnerability in Alkacon Software Open CMS, affecting versions 14 and 15 of the 'Mercury' template. This vulnerability could allow a remote attacker to send a specially crafted JavaScript payload to a victim and partially take control of their browsing session.","status":"published","published":"2023-12-13T10:52:01.743Z","modified":"2026-10-28T02:31:06.511935771Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:44:36.851042Z"},{"id":"GHSA-w62v-q77r-66cc","title":"Alkacon OpenCMS XSS via Mercury template","description":"Cross-site scripting (XSS) vulnerability in Alkacon Software Open CMS, affecting versions 14 and 15 of the 'Mercury' template. This vulnerability could allow a remote attacker to send a specially crafted JavaScript payload to a victim and partially take control of their browsing session.","status":"published","published":"2023-12-13T12:30:43Z","modified":"2025-06-20T16:29:49.541186Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:46:58.04805Z"}]}}