id: CVE-2025-27915

info:
  name: "Zimbra - Cross-Site Scripting"
  author: vedas-arpsyndicate
  severity: medium
  description: |
    An issue was discovered in Zimbra Collaboration (ZCS) 9.0 and 10.0 and 10.1. A stored cross-site scripting
    (XSS) vulnerability exists in the Classic Web Client due to insufficient sanitization of HTML content in ICS
    files.
  reference:
    - https://www.exploit.observer/?keyword=CVE-2025-27915&match=exact
    - https://subdomain.center/?engine=ammonites&keyword=zimbra&match=exact
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
    cvss-score: 5.4
    cve-id: CVE-2025-27915
    cwe-id: CWE-79
  metadata:
    verified: false
  tags: cve,cve2025,zimbra,xss,ics,kev,vkev,vuln
http:
  - method: GET
    path:
      - "{{BaseURL}}/js/zimbraMail/share/model/ZmSettings.js"

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - "Zimbra Collaboration Suite"

      - type: word
        part: header
        words:
          - "application/x-javascript"

      - type: dsl
        dsl:
          - compare_versions(version, '9.0.0')
          - compare_versions(version, '>= 10.0.0', '< 10.0.13')
          - compare_versions(version, '>= 10.1.0', '< 10.1.5')
        condition: or

    extractors:
      - type: regex
        part: body
        name: version
        group: 1
        regex:
          - CLIENT_VERSION\",\s+{type:ZmSetting\.T_CONFIG, defaultValue:"([0-9.]+)_([A-Z_0-9]+)"\}