{"cve":"CVE-2024-21686","nvd":{"published":"2024-07-16T20:15:02.900","modified":"2026-06-17T07:09:59.203","status":"Modified","description":"This High severity Stored XSS vulnerability was introduced in versions 7.13 of Confluence Data Center and Server.\n\nThis Stored XSS vulnerability, with a CVSS Score of 7.3, allows an authenticated attacker to execute arbitrary HTML or JavaScript code on a victims browser which has high impact to confidentiality, high impact to integrity, no impact to availability, and requires user interaction.\n\nAtlassian recommends that Confluence Data Center and Server customers upgrade to latest version, if you are unable to do so, upgrade your instance to one of the specified supported fixed versions listed on this CVE\n\nSee the release notes (https://confluence.atlassian.com/doc/confluence-release-notes-327.html). You can download the latest version of Confluence Data Center and Server from the download center (https://www.atlassian.com/software/confluence/download-archives).\n\nThis vulnerability was reported via our Bug Bounty program.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N","score":8.7},"cwes":["CWE-79"],"references":["https://confluence.atlassian.com/pages/viewpage.action?pageId=1417150917","https://jira.atlassian.com/browse/CONFSERVER-96134","https://confluence.atlassian.com/pages/viewpage.action?pageId=1417150917","https://jira.atlassian.com/browse/CONFSERVER-96134"],"products":["atlassian:confluence_data_center","atlassian:confluence_server"],"source":"nvd","synced_at":"2026-10-19T21:52:42.518321223+00:00"},"epss":{"cve":"CVE-2024-21686","score":0.0089,"percentile":0.59381,"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."]}