CVE-2022-21690

Cross-Site Scripting in Onionshare

MEDIUM
5.4
CVSS Score
Published: January 18, 2022 at 10:15 PM UTC
Updated: June 17, 2026 at 04:26 AM UTC
1 product affected across 1 vendorOnionshare

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Severity
MEDIUM5.4
Exploit prediction
EPSS 0.8%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 2.5
Affected range stops below 2.5, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

SSVC — Action Prioritization

SSVCPoCNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-79

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