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GHSA-h4hv-92pp-pcjg

CyberChef has a Cross-site Scripting issue

Source: GitHub Advisory Database (reviewed) High CVE-2026-42615

Packages

EcosystemPackageAffectedFixed in
npm cyberchef < 11.0.0 11.0.0

Details

As written in the advisory (Markdown source, shown as plain text).

GCHQ CyberChef before 11.0.0 allows XSS via Show Base64 offsets, as demonstrated by the /#recipe=Show_Base64_offsets('%3Cscript substring.

References

External links from the advisory. They lead to third-party sites.