Vulnerability Details CVE-2021-3163
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
Exploit prediction scoring system (EPSS) score
EPSS Score 0.005
EPSS Ranking 64.8%
CVSS Severity
CVSS v3 Score 6.1
CVSS v2 Score 4.3
References
- https://burninatorsec.blogspot.com/2021/04/cve-2021-3163-xss-slab-quill-js.html
- https://github.com/quilljs/quill/issues/3273
- https://github.com/quilljs/quill/issues/3364
- https://quilljs.com
- https://burninatorsec.blogspot.com/2021/04/cve-2021-3163-xss-slab-quill-js.html
- https://github.com/quilljs/quill/issues/3273
- https://github.com/quilljs/quill/issues/3364
- https://quilljs.com