CVE-2022-21690
8.7 · HIGHOverview
CVE-2022-21690 is a high-severity vulnerability affecting onionshare onionshare. It was published on January 18, 2022 and has a CVSS 3.1 base score of 8.7 (HIGH).
This vulnerability has a CVSS 3.1 base score of 8.7, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical 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.
Remediation
Check the references section for vendor advisories and patches from onionshare. Update onionshare to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| onionshare | onionshare | >= 0, < 2.5 | Affected |
Frequently Asked Questions
What is CVE-2022-21690?
CVE-2022-21690 is a high-severity vulnerability affecting onionshare onionshare. It was published on January 18, 2022 and has a CVSS 3.1 base score of 8.7 (HIGH).
How severe is CVE-2022-21690?
This vulnerability has a CVSS 3.1 base score of 8.7, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2022-21690?
Check the references section for vendor advisories and patches from onionshare. Update onionshare to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2022-21690?
CyberStrike's AI-powered security agents can automatically detect CVE-2022-21690 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
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Browser-based exploitation validates findings with real proof-of-concept.
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