{"cve":"CVE-2023-4620","nvd":{"published":"2023-10-16T09:15:11.627","modified":"2026-06-17T06:38:14.163","status":"Modified","description":"The Booking Calendar WordPress plugin before 9.7.3.1 does not sanitize and escape some of its booking from data, allowing unauthenticated users to perform Stored Cross-Site Scripting attacks against administrators","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":[],"references":["https://wpscan.com/vulnerability/084e9494-2f9e-4420-9bf7-78a1a41433d7","https://wpscan.com/vulnerability/084e9494-2f9e-4420-9bf7-78a1a41433d7"],"products":["wpbookingcalendar:booking_calendar"],"source":"nvd","synced_at":"2026-10-19T21:39:34.467980132+00:00"},"epss":{"cve":"CVE-2023-4620","score":0.00556,"percentile":0.46418,"date":"2026-10-31"},"kev":null,"osv":[],"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."]}