{"cve":"CVE-2023-6379","nvd":{"published":"2023-12-13T11:15:07.100","modified":"2026-06-17T06:50:38.777","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","score":6.1},"cwes":["CWE-79"],"references":["https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-alkacon-software-opencms","https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-alkacon-software-opencms"],"products":["alkacon:opencms"],"source":"nvd","synced_at":"2026-10-19T21:42:34.585441961+00:00"},"epss":{"cve":"CVE-2023-6379","score":0.01752,"percentile":0.77894,"date":"2026-11-01"},"kev":null,"osv":[{"id":"GHSA-w62v-q77r-66cc","url":"https://osv.dev/vulnerability/GHSA-w62v-q77r-66cc","summary":"Alkacon OpenCMS XSS via Mercury template","modified":"2025-06-20T16:29:49.541186Z","packages":[{"ecosystem":"Maven","name":"org.opencms:opencms-core","purl":"pkg:maven/org.opencms/opencms-core","ranges":[">=14.0.0 <16.0.0"],"fixed":["16.0.0"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}