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 # digest: 4a0a00473045022100d6a927c4d7bd230b5cddb5c73c9239435c5a552df2e849ba61015607950e3615022006c4f49979cfddc4a8230875aae7fcb0757f6acea7acef3276ae6aa17354523c:922c64590222798bb761d5b6d8e72950