HIGHCVE-2026-42615Published Modified CNA mitre
CVE-2026-42615: GCHQ CyberChef before 11
GCHQ CyberChef before 11.0.0 allows XSS via Show Base64 offsets, as demonstrated by the /#recipe=Show_Base64_offsets('%3Cscript substring.
Metrics
- CVSS v3.1
- 7.2
- Severity
- HIGH
- Fixed in
- 11.0.0
- Affected Products
- 1
Fix available
11.0.0
Affected packages
- GCHQ / CyberChef< 11.0.0 (from 0)
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:NReferences