cvedb.io
CVE-2021-3163
MEDIUM · CVSS 6.1
EPSS exploitation probability: 0%
Published 2021-04-12T21:15:14.340 · Last modified 2026-06-17T04:04:46.467

Summary

A vulnerability in the HTML editor of Slab Quill 4.8.0 allows an attacker to execute arbitrary JavaScript by storing an XSS payload (a crafted onloadstart attribute of an IMG element) in a text field. Note: Researchers have claimed that this issue is not within the product itself, but is intended behavior in a web browser

Affected products

slab — quill

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.