CVEvulnerability
CVE-2021-3163
6.1 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2021-04-12
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 6.1 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- CVSS 2.0 ([email protected])
- 4.3 MEDIUM — AV:N/AC:M/Au:N/C:N/I:P/A:N
- Weaknesses
- CWE-79
Description
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 configurations
• slab quill 4.8.0
Related
Weakness · CWE (1)
- CWE-79 Improper Neutralization of Input During Web Page Generation weakness
References
- https://burninatorsec.blogspot.com/2021/04/cve-2021-3163-xss-slab-quill-js.html Exploit, Third Party Advisory
- https://github.com/quilljs/quill/issues/3273 Broken Link, Issue Tracking, Third Party Advisory
- https://github.com/quilljs/quill/issues/3364 Exploit, Issue Tracking, Third Party Advisory
- https://quilljs.com Product
- https://burninatorsec.blogspot.com/2021/04/cve-2021-3163-xss-slab-quill-js.html Exploit, Third Party Advisory
- https://github.com/quilljs/quill/issues/3273 Broken Link, Issue Tracking, Third Party Advisory
- https://github.com/quilljs/quill/issues/3364 Exploit, Issue Tracking, Third Party Advisory
- https://quilljs.com Product