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GHSA-cf4q-4cqr-7g7w

Published Apr 22, 2022·Last modified Dec 5, 2024
Affected Components(0)

No affected components available

Description

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.

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:

Risk Scores
Base Score
0.0

Measures severity based on intrinsic characteristics of the vulnerability, independent of environment.

Threat Intelligence
0.0

No exploitation activity has been observed at this time. Continue routine monitoring.

EPSS
N/A

Probability that this vulnerability will be exploited in the wild within the next 30 days.

Exploit
Not available

We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.

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