CVE-2023-22461: Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)

January 5, 2023

The sanitize-svg package, a small SVG sanitizer to prevent cross-site scripting attacks, uses a deny-list-pattern to sanitize SVGs to prevent XSS. In doing so, literal <script>-tags and on-event handlers were detected in versions prior to 0.4.0. As a result, downstream software that relies on sanitize-svg and expects resulting SVGs to be safe, may be vulnerable to cross-site scripting. This vulnerability was addressed in v0.4.0. There are no known workarounds

References

github.com/advisories/GHSA-h857-2g56-468g
github.com/mattkrick/sanitize-svg/commit/b107e453ede7b58adcccae74a3e474c012eec85d
github.com/mattkrick/sanitize-svg/security/advisories/GHSA-h857-2g56-468g
nvd.nist.gov/vuln/detail/CVE-2023-22461

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