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
Cross-site Scripting
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
6.1 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
mitreCNA
---
---
CISA-ADPADP
---
---
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 64%
VendorProductVersion
slabquill
4.8.0
𝑥
= Vulnerable software versions
Common Weakness Enumeration
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