GCHQ Developer 85297

1 exploit Active since Apr 2026
CVE-2026-42615 WRITEUP HIGH WRITEUP
GCHQ CyberChef < 11.0.0 - Cross-Site Scripting via Show Base64 Offsets
GCHQ CyberChef before 11.0.0 allows XSS via Show Base64 offsets, as demonstrated by the /#recipe=Show_Base64_offsets('%3Cscript substring.
CVSS 7.2