u5cms v8.3.5 - Open Redirect

mediumseverity

6.1CVSS score

2.4%likelihood of exploitation, next 30 days

85%of all CVEs are less likely

Readycheck to confirm it

u5cms version 8.3.5 contains a URL redirection vulnerability that can cause a user's browser to be redirected to another site via /loginsave.php.

Impact

An attacker can exploit this vulnerability to redirect users to malicious websites, leading to phishing attacks.

Fix

Apply the latest patch or update to a version that has fixed this vulnerability.

How to confirm it

Send: GET {{BaseURL}}/loginsave.php?u=http://interact.sh
Positive when: matches in header /(?m)^(?:Location\s*?:\s*?)(?:https?:\/\/|\/\/|\/\\\\|\/\\)(?:[a-zA-Z0-9\-_\.@]*…/

Run it with nuclei: nuclei -id CVE-2022-32444 -u <target>. This check is not marked as verified by its authors.

The full check

id: CVE-2022-32444

info:
  name: u5cms v8.3.5 - Open Redirect
  author: 0x_Akoko
  severity: medium
  description: |
    u5cms version 8.3.5 contains a URL redirection vulnerability that can cause a user's browser to be redirected to another site via /loginsave.php.
  impact: |
    An attacker can exploit this vulnerability to redirect users to malicious websites, leading to phishing attacks.
  remediation: |
    Apply the latest patch or update to a version that has fixed this vulnerability.
  reference:
    - https://github.com/u5cms/u5cms/issues/50
    - https://nvd.nist.gov/vuln/detail/CVE-2022-32444
    - https://github.com/ARPSyndicate/kenzer-templates
    - https://github.com/Sharpforce/cybersecurity
  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-2022-32444
    cwe-id: CWE-601
    epss-score: 0.02441
    epss-percentile: 0.84442
    cpe: cpe:2.3:a:yuba:u5cms:8.3.5:*:*:*:*:*:*:*
  metadata:
    max-request: 1
    vendor: yuba
    product: u5cms
  tags: cve,cve2022,redirect,u5cms,cms,yuba,vuln

http:
  - method: GET
    path:
      - '{{BaseURL}}/loginsave.php?u=http://interact.sh'

    matchers:
      - type: regex
        part: header
        regex:
          - '(?m)^(?:Location\s*?:\s*?)(?:https?:\/\/|\/\/|\/\\\\|\/\\)(?:[a-zA-Z0-9\-_\.@]*)interact\.sh\/?(\/|[^.].*)?$' # https://regex101.com/r/L403F0/1

References

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