CVE-2022-0121 — Improper Neutralization of Input During Web Page Generation ('Cross-site Scripti

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.

01What is this vulnerability?

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.

02Affected products

Vendor	Product	Versions
hoppscotch	hoppscotch/hoppscotch	unspecified

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

Open in Sigma generator →

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2022-01-06T02:30:10.000Z
• Last modified: 2024-08-02T23:18:41.752Z

09References

• huntr.dev — https://huntr.dev/bounties/b70a6191-8226-4ac6-b817-cae7332a68ee
• github.com — https://github.com/hoppscotch/hoppscotch/commit/86ef1a4e143ea5bb0c7b309574127cc3…