CVE-2024-21678

highpriority · track · 34EPSS 0.005 · 41 %ileDEEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.47% (41st) EPSS

CVSS 8.5 · high

Is it mine?

40 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

8.5

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.18.5highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:Nprimary · NVD / NIST USexploitability 3.1 · impact 4.7

v3.08.5highCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:Nsecondary · ENISA EU

v3.08.5highCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:Nsecondary · security@atlassian.comexploitability 3.1 · impact 4.7

v3.18.5highAV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:Nsecondary · FSTEC (BDU) RU

v3.17.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-79USCWE-79US

affected products (40)

Products and version ranges known to be affected.

Atlassian Confluence Data Center≤ 8.0.0enisa_euvdEU
Atlassian Confluence Data Center≤ 8.7.1enisa_euvdEU
Atlassian Confluence Data Center≤ 8.4.0enisa_euvdEU
Atlassian Confluence Data Center≤ 8.5.0enisa_euvdEU
Atlassian Confluence Data Center≤ 8.2.0enisa_euvdEU
Atlassian Confluence Data Centerall versionsenisa_euvdEU
Atlassian Confluence Data Center≤ 7.20.0enisa_euvdEU
Atlassian Confluence Data Center≤ 8.6.0enisa_euvdEU
Atlassian Confluence Data Center≤ 8.3.0enisa_euvdEU
Atlassian Confluence Data Center≤ 7.13.0enisa_euvdEU
Atlassian Confluence Data Center≤ 7.19.0enisa_euvdEU
Atlassian Confluence Data Center≤ 2.7.0enisa_euvdEU
Atlassian Confluence Data Center≤ 8.1.0enisa_euvdEU
Atlassian Confluence Server7.17.0 → 7.17.5fstec_bduRU
Atlassian Confluence Server7.18.0 → 7.18.3fstec_bduRU
Atlassian Confluence Server7.19.0 → 7.19.17 LTSfstec_bduRU
Atlassian Confluence Server7.20.0 → 7.20.3fstec_bduRU
Atlassian Confluence Server8.0.0 → 8.0.4fstec_bduRU
Atlassian Confluence Server8.1.0 → 8.1.4fstec_bduRU
Atlassian Confluence Server8.2.0 → 8.2.3fstec_bduRU

showing 20 of 40

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2024-0435Atlassian Confluence: Schwachstelle ermöglicht Cross-Site ScriptingDeutsch2024-02-20csaf · cert_bundDE
Ein entfernter, authentisierter Angreifer kann eine Schwachstelle in Atlassian Confluence ausnutzen, um einen Cross-Site Scripting Angriff durchzuführen.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund NVD CVE.org MITRE

published 2024-02-20modified 2026-06-17

references (7)

External citations — patches, advisories, analysis.

scry

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