CVE-2022-21690

Name: CVE-2022-21690
Creator: NVD / NIST
Published: 2022-01-18T23:15:08.637+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.79%

Last modified Jun 17, 2026

CVE-2022-21690 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. OnionShare is an open source tool that lets you securely and anonymously share files, host websites, and chat with friends using the Tor network. In affected versions The path parameter of the requested URL is not sanitized before being passed to the QT frontend. EPSS estimates a 0.79% chance of exploitation in the next 30 days.

Description

OnionShare is an open source tool that lets you securely and anonymously share files, host websites, and chat with friends using the Tor network. In affected versions The path parameter of the requested URL is not sanitized before being passed to the QT frontend. This path is used in all components for displaying the server access history. This leads to a rendered HTML4 Subset (QT RichText editor) in the Onionshare frontend.

Metrics

CVSS 3.1

5.4/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

0.79%

51.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Onionshare	Onionshare	< 2.5

References

https://github.com/onionshare/onionshare/releases/tag/v2.5Release Notes, Third Party Advisory
https://github.com/onionshare/onionshare/security/advisories/GHSA-ch22-x2v3-v6vqExploit, Third Party Advisory
https://github.com/onionshare/onionshare/releases/tag/v2.5Release Notes, Third Party Advisory
https://github.com/onionshare/onionshare/security/advisories/GHSA-ch22-x2v3-v6vqExploit, Third Party Advisory

Timeline

Published: Jan 18, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-21690?

How severe is CVE-2022-21690?

CVE-2022-21690 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.79% probability of exploitation in the next 30 days.

How do I fix CVE-2022-21690?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-21690?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST