What is CVE-2022-0121?

CVE-2022-0121 is a high-severity vulnerability in Hoppscotch, classified under Cross-site Scripting. CVSS score: 8.0/10. Published 2022-01-06.

How severe is CVE-2022-0121?

High severity. CVSS v3 base score is 8.0 out of 10.

XSS in Hoppscotch

CVE-2022-0121

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in hoppscotch hoppscotch/hoppscotch.This issue affects hoppscotch/hoppscotch before 2.1.1.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2022-01-06 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.0 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.012 (66.8th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 67th percentile — 66.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000

Affected products

Hoppscotch
Hoppscotch Hoppscotch/hoppscotch — versions unspecified

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

huntr.dev/bounties/b70a6191-8226-4ac6-b817-cae7332a68ee (Exploit, Patch, Third Party Advisory, Issue Tracking)
github.com/hoppscotch/hoppscotch/commit/86ef1a4e143ea5bb0c7b309574127cc39d4faa74 (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2022-0121?: CVE-2022-0121 is a high-severity vulnerability in Hoppscotch, classified under Cross-site Scripting. CVSS score: 8.0/10. Published 2022-01-06.
How severe is CVE-2022-0121?: High severity. CVSS v3 base score is 8.0 out of 10.