{"cve":{"cve_id":"CVE-2023-6380","is_kev":false,"kev_date_added":null,"kev_vendor_project":null,"kev_product":null,"kev_vulnerability_name":null,"kev_short_description":null,"kev_required_action":null,"kev_due_date":null,"kev_known_ransomware":null,"kev_notes":null,"kev_cwes":null,"epss_score":0.01594,"epss_percentile":0.72546,"epss_as_of":"2026-06-23","description":"Open redirect vulnerability has been found in the Open CMS product affecting versions 14 and 15 of the 'Mercury' template. An attacker could create a specially crafted URL and send it to a specific user to redirect them to a malicious site and compromise them. Exploitation of this vulnerability is possible due to the fact that there is no proper sanitization of the 'URI' parameter.","published_at":"2023-12-13T10:54:35.693000Z","last_modified_at":null,"cvss_v3_score":6.1,"cvss_v3_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","cvss_v3_severity":"MEDIUM","cvss_v4_score":null,"cvss_v4_vector":null,"cvss_v4_severity":null,"ssvc_decision":null,"ssvc_exploitation":"none","ssvc_automatable":false,"ssvc_technical_impact":"partial","cwes":["CWE-601"],"nvd_references":["https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-alkacon-software-opencms"],"vuln_status":null,"trending_score":null,"is_trending":false,"has_trended":false,"trended_number_one":false,"trending_peak_score":null,"trending_peak_rank":null,"started_trending_at":null,"trended_number_one_at":null,"summary_generated":null,"summary_generated_at":null,"summary_model":null,"created_at":"2026-06-24T00:09:39.878444Z","updated_at":"2026-06-29T01:44:39.184534Z"},"effective_severity":"MEDIUM","badges":["poc"],"impact_analysis":[],"cvss_v3_decoded":{"version":"3.1","metrics":[{"metric":"AV","name":"Attack Vector","value":"N","value_label":"Network"},{"metric":"AC","name":"Attack Complexity","value":"L","value_label":"Low"},{"metric":"PR","name":"Privileges Required","value":"N","value_label":"None"},{"metric":"UI","name":"User Interaction","value":"R","value_label":"Required"},{"metric":"S","name":"Scope","value":"C","value_label":"Changed"},{"metric":"C","name":"Confidentiality","value":"L","value_label":"Low"},{"metric":"I","name":"Integrity","value":"L","value_label":"Low"},{"metric":"A","name":"Availability","value":"N","value_label":"None"}]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"alkacon","vendor_name":"Alkacon","product_slug":"open-cms","product_name":"Open CMS","version_start":"14","version_start_inclusive":true,"version_end":"14","version_end_inclusive":true,"cpe23_uri":"cve5:alkacon:open-cms:14:14"},{"vendor_slug":"alkacon","vendor_name":"Alkacon","product_slug":"open-cms","product_name":"Open CMS","version_start":"15","version_start_inclusive":true,"version_end":"15","version_end_inclusive":true,"cpe23_uri":"cve5:alkacon:open-cms:15:15"}],"exploit_refs":[{"source":"nuclei","kind":"nuclei","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2023/CVE-2023-6380.yaml","title":"OpenCms 14 & 15 - Open Redirect","author":"MiguelSegoviaGil","disclosed_at":null}],"news":[],"references":[{"url":"https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-alkacon-software-opencms","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2023-12-13T10:54:35.693000Z","label":"CVE published","source":null},{"type":"poc_available","at":"2026-06-24T00:29:48.638073Z","label":"Public PoC available","source":"nuclei"},{"type":"cvss_changed","at":"2026-06-28T17:31:53.593321Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:31:53.593321Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:31:53.593321Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"ssvc_changed","at":"2026-06-29T01:44:39.184534Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"ssvc_changed","at":"2026-06-29T01:44:39.184534Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"ssvc_changed","at":"2026-06-29T01:44:39.184534Z","label":"SSVC decision revised","source":"vulnrichment"}]}