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VULNERABILITIES

CVE-2021-3163 Details

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

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:6.1 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://burninatorsec.blogspot.com/2021/04/cve-2021-3163-xss-slab-quill-js.html CVEExploitThird Party Advisory
https://github.com/quilljs/quill/issues/3273 CVEBroken LinkIssue TrackingThird Party Advisory
https://github.com/quilljs/quill/issues/3364 CVEExploitIssue TrackingThird Party Advisory
https://quilljs.com CVEProduct
https://burninatorsec.blogspot.com/2021/04/cve-2021-3163-xss-slab-quill-js.html [email protected]ExploitThird Party Advisory

see all 8 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')[email protected]

Affected Products

ProductVersions
slab quill
4.8.0

CPE

  • cpe:2.3:a:slab:quill:4.8.0:*:*:*:*:node.js:*:*

Remediation

  • No remediation found in references.

Change History

14 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2021-3163
NVD Published Date:
Apr 12, 2021
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2021-3163 Details - Not Deferred