hoppscotch is an open source API development ecosystem. Prior to version 2026.3.0, there is a stored XSS vulnerability that can lead to CSRF. This issue has been patched in version 2026.3.0.
https://github.com/hoppscotch/hoppscotch/security/advisories/GHSA-wj4r-hr4h-g98v
https://github.com/hoppscotch/hoppscotch/releases/tag/2026.3.0
Published: 2026-04-02
Updated: 2026-04-15
Base Score: 9.4
Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:N
Severity: High
Base Score: 9.3
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
Severity: Critical
Base Score: 8.5
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Severity: High
EPSS: 0.00047