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GHSA-j9m2-6hq2-4r3c
No affected components available
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
The vulnerability can be exploited over the network without needing physical access. It is easy for an attacker to exploit this vulnerability. An attacker does not need any special privileges or access rights. The attacker needs the user to perform some action, like clicking a link. The vulnerability can affect other systems as well, not just the initial system. There is a low impact on the confidentiality of the information. There is a low impact on the integrity of the data.
Exploitation attempts have been detected. Elevated vigilance and prompt remediation are advised.
The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.
We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.
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