NVD

CVE-2024-21678 Detail

Description

This High severity Stored XSS vulnerability was introduced in version 2.7.0 of Confluence Data Center. This 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. Data Center Atlassian 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: ||Affected versions||Fixed versions|| |from 8.7.0 to 8.7.1|8.8.0 recommended or 8.7.2| |from 8.6.0 to 8.6.1|8.8.0 recommended| |from 8.5.0 to 8.5.4 LTS|8.8.0 recommended or 8.5.5 LTS or 8.5.6 LTS| |from 8.4.0 to 8.4.5|8.8.0 recommended or 8.5.6 LTS| |from 8.3.0 to 8.3.4|8.8.0 recommended or 8.5.6 LTS| |from 8.2.0 to 8.2.3|8.8.0 recommended or 8.5.6 LTS| |from 8.1.0 to 8.1.4|8.8.0 recommended or 8.5.6 LTS| |from 8.0.0 to 8.0.4|8.8.0 recommended or 8.5.6 LTS| |from 7.20.0 to 7.20.3|8.8.0 recommended or 8.5.6 LTS| |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| |from 7.18.0 to 7.18.3|8.8.0 recommended or 8.5.6 LTS or 7.19.19 LTS| |from 7.17.0 to 7.17.5|8.8.0 recommended or 8.5.6 LTS or 7.19.19 LTS| |Any earlier versions|8.8.0 recommended or 8.5.6 LTS or 7.19.19 LTS| Server Atlassian 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: ||Affected versions||Fixed versions|| |from 8.5.0 to 8.5.4 LTS|8.5.5 LTS or 8.5.6 LTS recommended | |from 8.4.0 to 8.4.5|8.5.6 LTS recommended| |from 8.3.0 to 8.3.4|8.5.6 LTS recommended| |from 8.2.0 to 8.2.3|8.5.6 LTS recommended| |from 8.1.0 to 8.1.4|8.5.6 LTS recommended| |from 8.0.0 to 8.0.4|8.5.6 LTS recommended| |from 7.20.0 to 7.20.3|8.5.6 LTS recommended| |from 7.19.0 to 7.19.17 LTS|8.5.6 LTS recommended or 7.19.18 LTS or 7.19.19 LTS| |from 7.18.0 to 7.18.3|8.5.6 LTS recommended or 7.19.19 LTS| |from 7.17.0 to 7.17.5|8.5.6 LTS recommended or 7.19.19 LTS| |Any earlier versions|8.5.6 LTS recommended or 7.19.19 LTS| See 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]). This vulnerability was reported via our Bug Bounty program.

Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.

CVSS 4.0 Severity and Vector Strings:

NIST: NVD

N/A

NVD assessment not yet provided.

CVSS 3.x Severity and Vector Strings:

NIST: NVD

Base Score: 8.5 HIGH

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N

Nist CVSS score does not match with CNA score

CNA: Atlassian

Base Score: 8.5 HIGH

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N

CVSS 2.0 Severity and Vector Strings:

National Institute of Standards and Technology

NIST: NVD

Base Score: N/A

NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://confluence.atlassian.com/pages/viewpage.action?pageId=1354501606	Atlassian, CVE	Vendor Advisory
https://jira.atlassian.com/browse/CONFSERVER-94513	Atlassian, CVE	Issue Tracking Vendor Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-79	Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')	CISA-ADP

Known Affected Software Configurations Switch to CPE 2.2

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Change History

7 change records found show changes

Initial Analysis by NIST 5/06/2025 10:52:00 AM

Action	Type	New Value
Added	CVSS V3.1	AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N
Added	CPE Configuration	OR cpe:2.3:a:atlassian:confluence_data_center::::::::* versions up to (excluding) 7.19.19 cpe:2.3:a:atlassian:confluence_server::::::::* versions up to (excluding) 7.19.19 cpe:2.3:a:atlassian:confluence_data_center::::::::* versions from (including) 7.20.0 up to (excluding) 8.5.5 cpe:2.3:a:atlassian:confluence_server::::::::* versions from (including) 7.20.0 up to (excluding) 8.5.5 cpe:2.3:a:atlassian:confluence_data_center::::::::* versions from (including) 8.6.0 up to (excluding) 8.7.2
Added	Reference Type	Atlassian: https://confluence.atlassian.com/pages/viewpage.action?pageId=1354501606 Types: Vendor Advisory
Added	Reference Type	Atlassian: https://jira.atlassian.com/browse/CONFSERVER-94513 Types: Issue Tracking, Vendor Advisory
Added	Reference Type	CVE: https://confluence.atlassian.com/pages/viewpage.action?pageId=1354501606 Types: Vendor Advisory
Added	Reference Type	CVE: https://jira.atlassian.com/browse/CONFSERVER-94513 Types: Issue Tracking, Vendor Advisory

New CVE Received from Atlassian 2/20/2024 1:15:50 PM

Action	Type	New Value
Added	Description	Record truncated, showing 2048 of 2597 characters. View Entire Change Record This High severity Stored XSS vulnerability was introduced in version 2.7.0 of Confluence Data Center. This 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. Data Center Atlassian 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: \|\|Affected versions\|\|Fixed versions\|\| \|from 8.7.0 to 8.7.1\|8.8.0 recommended or 8.7.2\| \|from 8.6.0 to 8.6.1\|8.8.0 recommended\| \|from 8.5.0 to 8.5.4 LTS\|8.8.0 recommended or 8.5.5 LTS or 8.5.6 LTS\| \|from 8.4.0 to 8.4.5\|8.8.0 recommended or 8.5.6 LTS\| \|from 8.3.0 to 8.3.4\|8.8.0 recommended or 8.5.6 LTS\| \|from 8.2.0 to 8.2.3\|8.8.0 recommended or 8.5.6 LTS\| \|from 8.1.0 to 8.1.4\|8.8.0 recommended or 8.5.6 LTS\| \|from 8.0.0 to 8.0.4\|8.8.0 recommended or 8.5.6 LTS\| \|from 7.20.0 to 7.20.3\|8.8.0 recommended or 8.5.6 LTS\| \|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\| \|from 7.18.0 to 7.18.3\|8.8.0 recommended or 8.5.6 LTS or 7.19.19 LTS\| \|from 7.17.0 to 7.17.5\|8.8.0 recommended or 8.5.6 LTS or 7.19.19 LTS\| \|Any earlier versions\|8.8.0 recommended or 8.5.6 LTS or 7.19.19 LTS\| Server Atlassian 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: \|\|Affected versions\|\|Fixed versions\|\| \|from 8.5.0 to 8.5.4 LTS\|8.5.5 LTS or 8.5.6 LTS recommended \| \|from 8.4.0 to 8.4.5\|8.5.6 LTS recommended\| \|from 8.3.0 to 8.3.4\|8.5.6 LTS recommended\| \|from 8.2.0 to 8.2.3\|8.5.6 LTS recommended\| \|from 8.1.0 to 8.1.4\|8.5.6 LTS recommended\| \|from 8.0.0 to 8.0.4\|8.5.6 LTS recommended\| \|from 7.20.0 to 7.20.3\|8.5.6 LTS recommended\| \|from 7.19.0 to 7.19.17 LTS\|8.5.6 LT
Added	CVSS V3	Atlassian AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N
Added	Reference	Atlassian https://confluence.atlassian.com/pages/viewpage.action?pageId=1354501606 [No types assigned]
Added	Reference	Atlassian https://jira.atlassian.com/browse/CONFSERVER-94513 [No types assigned]

Quick Info

CVE Dictionary Entry:
CVE-2024-21678
NVD Published Date:
02/20/2024
NVD Last Modified:
06/17/2026
Source:
Atlassian

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Information Technology Laboratory

National Vulnerability Database

National Vulnerability Database

CVE-2024-21678 Detail

Description

Metrics

References to Advisories, Solutions, and Tools

Weakness Enumeration

Known Affected Software Configurations Switch to CPE 2.2

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Change History

CVE Modified by CISA-ADP 6/17/2026 3:09:58 AM

CVE Modified by Atlassian 6/17/2026 3:09:58 AM

Initial Analysis by NIST 5/06/2025 10:52:00 AM

CVE Modified by CVE 11/21/2024 3:54:51 AM

CVE Modified by CISA-ADP 10/31/2024 12:35:06 PM

CVE Modified by Atlassian 5/14/2024 10:55:40 AM

New CVE Received from Atlassian 2/20/2024 1:15:50 PM

Quick Info