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CVE-2022-21690

High

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.

SeverityHigh
CVSS8.7
Exploit probability—
ProductOnionshare
PublishedJan 18, 2022
First seenJan 18, 2022
Weakness typeCWE-79Cross-site scripting (XSS)

How to fix

Update
  • onionshare onionshare2.5 or later
  • onionshare-cli2.5 or later

Affected products

ProductAffected versionsFixed in
onionshare onionsharev < 2.52.5
onionshare-cliPyPIv < 2.52.5

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