CVE-2024-21678

2024-02-2018:15:50

[email protected]

web.nvd.nist.gov

cve-2024-21678

stored xss

vulnerability

confluence data center

cvss score 8.5

html

javascript

data security

upgrade

atlassian

bug bounty

8.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

LOW

Availability Impact

NONE

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

7.9 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

9.1%

JSON

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.

CNA 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"
      }
    ]
  }
]