CVE-2026-97224: Excalidraw Imported File restore.ts cross site scripting

Severity: medium (CVSS 4.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-09-24 · updated 2026-09-24
Weakness: CWE-79

Description

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 products

Excalidraw: 0.18.0, 0.18.1

References

https://vuldb.com/cve/CVE-2026-97224
https://vuldb.com/submit/907811
https://vuldb.com/vuln/409318
https://vuldb.com/vuln/409318/cti

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