Cross-site Scripting in invenio-previewer
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:
- Email us at info@inveniosoftware.org
Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Python (PyPI) | invenio-previewer | < 1.0.0a12 | 1.0.0a12 |
References
- https://github.com/inveniosoftware/invenio-previewer/security/advisories/GHSA-j9m2-6hq2-4r3c
- https://nvd.nist.gov/vuln/detail/CVE-2019-1020019
- https://github.com/advisories/GHSA-j9m2-6hq2-4r3c
- https://github.com/inveniosoftware/invenio-previewer
- https://github.com/pypa/advisory-database/tree/main/vulns/invenio-previewer/PYSEC-2019-26.yaml
- CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N- Weakness (CWE)
CWE-79- Platform
- Python (PyPI)
- Package
invenio-previewer- Disclosed
- 16.07.2019
- Updated
- 11.10.2026 15:17
Sources and licenses
OSV / GitHub Advisory Database - PYSEC-2019-26 - PyPA Advisory Database; CC BY 4.0
OSV / GitHub Advisory Database - GHSA-j9m2-6hq2-4r3c - CC BY 4.0
Vulnerability history: invenio-previewer
All published vulnerabilities of this package (Python (PyPI)), newest first. Shows whether this is a one-off slip or a package that needs watching.
This is the only known vulnerability of this package.
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