Vulnerability · Published Apr 2, 2026 · Assigned by GitHub_M

CVE-2026-34848hoppscotch: Stored XSS in team member overflow tooltip via display name

Medium 5.4

In plain English

A medium-severity cross-site scripting in hoppscotch from hoppscotch. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 4% of all known vulnerabilities).

Severity (CVSS 3.1)5.4Medium
Exploit odds (30 days)0.1%top 96.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

hoppscotch is an open source API development ecosystem. Prior to version 2026.3.0, there is a stored XSS vulnerability in the team member overflow tooltip via display name. This issue has been patched in version 2026.3.0.

Affected products (as reported)

VendorProductVersions
hoppscotch hoppscotch < 2026.3.0

Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

References