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inveniosoftware/invenio-previewer · Security

Cross-site Scripting in invenio-previewer

GHSA ID
GHSA-j9m2-6hq2-4r3c
CVE ID
CVE-2019-1020019
Severity
medium
Published
Updated
CVSS
6.1 · CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CVSS v3
6.1 · CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CVSS v4
5.3 · CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N

Description

Cross-Site Scripting (XSS) vulnerability in JSON, Markdown and iPython Notebook previewers

Impact

Several Cross-Site Scripting (XSS) vulnerabilities have been found in the JSON, Markdown and iPython Notebook previewers. The vulnerabilities would allow a malicous user to upload a JSON, Markdown or Notebook file with embedded scripts that would be executed by a victims browser.

Patches

Invenio-Previewer v1.0.0a12 fixes the issue.

Workarounds

You can remediate the vulnerability without upgrading by disabling the affected previewers. You do this by adding the following to your configuration:

PREVIEWER_PREFERENCE = [
    'csv_dthreejs',
    'simple_image',
    # 'json_prismjs',
    'xml_prismjs',
    # 'mistune',
    'pdfjs',
    # 'ipynb',
    'zip',
]

Afterwards, you should not be able to preview JSON, Markdown or iPython Notebook files.

For more information

If you have any questions or comments about this advisory:

CWEs

  • CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

References