GHSA-cf4q-4cqr-7g7w
SVG with embedded scripts can lead to cross-site scripting attacks in xml2rfc
Quick fix
GHSA-cf4q-4cqr-7g7w — xml2rfc: upgrade to the fixed version with the command below.
pip install --upgrade 'xml2rfc>=3.12.4'Details
xml2rfc allows `script` elements in SVG sources. In HTML output having these script elements can lead to XSS attacks.
Sample XML snippet: ``` <artwork type="svg" src="data:image/svg+xml,%3Csvg viewBox='0 0 10 10' xmlns='http://www.w3.org/2000/svg'%3E%3Cscript%3E window.alert('Test Alert'); %3C/script%3E%3C/svg%3E"> </artwork> ```
### Impact This vulnerability impacts website that publish HTML drafts and RFCs.
### Patches This has been fixed in version [3.12.4](https://github.com/ietf-tools/xml2rfc/releases/tag/v3.12.4).
### Workarounds If SVG source is self-contained within the XML, scraping `script` elements from SVG files.
### References * https://developer.mozilla.org/en-US/docs/Web/SVG/Element/script
### For more information If you have any questions or comments about this advisory: * Open an issue in [xml2rfc](https://github.com/ietf-tools/xml2rfc/) * Email us at [operational-vulnerability@ietf.org](mailto:operational-vulnerability@ietf.org) * [Infrastructure and Services Vulnerability Disclosure](https://www.ietf.org/about/administration/policies-procedures/vulnerability-disclosure/)
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