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
Vulnerability category: Cross site scripting (XSS)
Products affected by CVE-2021-3163
- cpe:2.3:a:slab:quill:4.8.0:*:*:*:*:node.js:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-3163
0.13%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 47 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-3163
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:P/A:N |
8.6
|
2.9
|
NIST | |
|
6.1
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
2.8
|
2.7
|
NIST |
CWE ids for CVE-2021-3163
-
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-3163
-
https://github.com/quilljs/quill/issues/3273
SECURITY ISSUE Stored XSS in the Quill JS editor · Issue #3273 · quilljs/quill · GitHubBroken Link;Issue Tracking;Third Party Advisory
-
https://quilljs.com
Quill - Your powerful rich text editorProduct
-
https://burninatorsec.blogspot.com/2021/04/cve-2021-3163-xss-slab-quill-js.html
Burninator Sec: CVE-2021-3163 - XSS Slab Quill JSExploit;Third Party Advisory
-
https://github.com/quilljs/quill/issues/3364
Security Issue CVE-2021-3163 · Issue #3364 · quilljs/quill · GitHubExploit;Issue Tracking;Third Party Advisory
Jump to