{ "schemaVersion": 1, "attribution": [ { "source": "CISA Known Exploited Vulnerabilities", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog", "licence": "US government work" }, { "source": "GitHub Advisory Database", "url": "https://github.com/advisories", "licence": "CC BY 4.0" }, { "source": "Have I Been Pwned", "url": "https://haveibeenpwned.com/", "licence": "CC BY 4.0" }, { "source": "CVE Program (CVE records)", "url": "https://www.cve.org/Legal/TermsOfUse", "licence": "CVE Terms of Use", "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.", "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy." }, { "source": "FIRST EPSS", "url": "https://www.first.org/epss/", "licence": "free to use; FIRST requests attribution" } ], "record": { "id": "CVE-2024-21678", "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2024-21678", "idYear": 2024, "status": "PUBLISHED", "publishedAt": "2024-02-20T18:00:00.727Z", "updatedAt": "2024-10-31T15:16:18.788Z", "importedAt": "2026-10-24T01:57:07.518Z", "snapshot": { "id": "cve_2026-10-24_midnight_baseline", "at": "2026-10-24T00:00:00.000Z", "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z" }, "facts": { "title": null, "summary": "This High severity Stored XSS vulnerability was introduced in version 2.7.0 of Confluence Data Center.\r\n\r\nThis Stored XSS vulnerability, with a CVSS Score of 8.5, allows an authenticated attacker to execute arbitrary HTML or JavaScript code on a victims browser which has high impact to confidentiality, low impact to integrity, no impact to availability, and requires no user interaction.\r\nData Center\r\n\r\nAtlassian recommends that Confluence Data Center customers upgrade to the latest version. If you are unable to do so, upgrade your instance to one of the specified supported fixed versions:\r\n||Affected versions||Fixed versions||\r\n|from 8.7.0 to 8.7.1|8.8.0 recommended or 8.7.2|\r\n|from 8.6.0 to 8.6.1|8.8.0 recommended|\r\n|from 8.5.0 to 8.5.4 LTS|8.8.0 recommended or 8.5.5 LTS or 8.5.6 LTS|\r\n|from 8.4.0 to 8.4.5|8.8.0 recommended or 8.5.6 LTS|\r\n|from 8.3.0 to 8.3.4|8.8.0 recommended or 8.5.6 LTS|\r\n|from 8.2.0 to 8.2.3|8.8.0 recommended or 8.5.6 LTS|\r\n|from 8.1.0 to 8.1.4|8.8.0 recommended or 8.5.6 LTS|\r\n|from 8.0.0 to 8.0.4|8.8.0 recommended or 8.5.6 LTS|\r\n|from 7.20.0 to 7.20.3|8.8.0 recommended or 8.5.6 LTS|\r\n|from 7.19.0 to 7.19.17 LTS|8.8.0 recommended or 8.5.6 LTS or 7.19.18 LTS or 7.19.19 LTS|\r\n|from 7.18.0 to 7.18.3|8.8.0 recommended or 8.5.6 LTS or 7.19.19 LTS|\r\n|from 7.17.0 to 7.17.5|8.8.0 recommended or 8.5.6 LTS or 7.19.19 LTS|\r\n|Any earlier versions|8.8.0 recommended or 8.5.6 LTS or 7.19.19 LTS|\r\nServer\r\n\r\nAtlassian recommends that Confluence Server customers upgrade to the latest 8.5.x LTS version. If you are unable to do so, upgrade your instance to one of the specified supported fixed versions:\r\n\r\n \r\n||Affected versions||Fixed versions||\r\n|from 8.5.0 to 8.5.4 LTS|8.5.5 LTS or 8.5.6 LTS recommended |\r\n|from 8.4.0 to 8.4.5|8.5.6 LTS recommended|\r\n|from 8.3.0 to 8.3.4|8.5.6 LTS recommended|\r\n|from 8.2.0 to 8.2.3|8.5.6 LTS recommended|\r\n|from 8.1.0 to 8.1.4|8.5.6 LTS recommended|\r\n|from 8.0.0 to 8.0.4|8.5.6 LTS recommended|\r\n|from 7.20.0 to 7.20.3|8.5.6 LTS recommended|\r\n|from 7.19.0 to 7.19.17 LTS|8.5.6 LTS recommended or 7.19.18 LTS or 7.19.19 LTS|\r\n|from 7.18.0 to 7.18.3|8.5.6 LTS recommended or 7.19.19 LTS|\r\n|from 7.17.0 to 7.17.5|8.5.6 LTS recommended or 7.19.19 LTS|\r\n|Any earlier versions|8.5.6 LTS recommended or 7.19.19 LTS|\r\n\r\nSee the release notes ([https://confluence.atlassian.com/doc/confluence-release-notes-327.html]). You can download the latest version of Confluence Data Center from the download center ([https://www.atlassian.com/software/confluence/download-archives]).\r\n\r\nThis vulnerability was reported via our Bug Bounty program.", "affected": [ { "vendor": "Atlassian", "product": "Confluence Data Center", "versions": [ { "version": "< 2.7.0", "status": "unaffected" }, { "version": ">= 2.7.0", "status": "affected" }, { "version": ">= 7.13.0", "status": "affected" }, { "version": ">= 7.19.0", "status": "affected" }, { "version": ">= 7.20.0", "status": "affected" }, { "version": ">= 8.0.0", "status": "affected" }, { "version": ">= 8.1.0", "status": "affected" }, { "version": ">= 8.2.0", "status": "affected" }, { "version": ">= 8.3.0", "status": "affected" }, { "version": ">= 8.4.0", "status": "affected" }, { "version": ">= 8.5.0", "status": "affected" }, { "version": ">= 8.6.0", "status": "affected" }, { "version": ">= 8.7.1", "status": "affected" }, { "version": ">= 7.19.18", "status": "unaffected" }, { "version": ">= 8.5.5", "status": "unaffected" }, { "version": ">= 8.7.2", "status": "unaffected" }, { "version": ">= 8.8.0", "status": "unaffected" } ] } ] } } }