CVE-2026-97224: Excalidraw Imported File restore.ts cross site scripting
A vulnerability was detected in Excalidraw up to 0.18.1. The impacted element is an unknown function of the file packages/excalidraw/data/restore.ts of the component Imported File Handler. Performing a manipulation of the argument customData.generationData.html results in cross site scripting. The attack is possible to be carried out remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Affected Software
Event History
Frequently Asked Questions
What does an attacker need to do to trigger the issue?
An attacker needs to manipulate the customData.generationData.html argument in an imported file. Exploitation requires user interaction, despite being remotely deliverable.
Which deployments should be considered potentially affected?
Excalidraw versions up to and including 0.18.1 are identified as affected. The available information does not state whether a default configuration is affected or identify a fixed version.
Is public exploit information available?
Yes. The exploit is reported as public, which may increase the likelihood of attempted exploitation.