Advisory Database
  • Advisories
  • Dependency Scanning
  1. npm
  2. ›
  3. quill
  4. ›
  5. CVE-2021-3163

CVE-2021-3163: Cross-site Scripting

April 12, 2021 (updated November 7, 2023)

A vulnerability in the HTML editor of Slab Quill allows an attacker to execute arbitrary JavaScript by storing an XSS payload (a crafted onloadstart attribute of an IMG element) in a text field.

References

  • github.com/quilljs/quill/issues/3273
  • nvd.nist.gov/vuln/detail/CVE-2021-3163

Code Behaviors & Features

Detect and mitigate CVE-2021-3163 with GitLab Dependency Scanning

Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Dependency Scanning using SBOM also detects vulnerabilities from proprietary advisories that this site does not include. Learn more about Dependency Scanning using SBOM →

Affected versions

Version 4.8.0

Solution

Unfortunately, there is no solution available yet.

Impact 6.1 MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Learn more about CVSS

Weakness

  • CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Source file

npm/quill/CVE-2021-3163.yml

Spotted a mistake? Edit the file on GitLab.

  • Site Repo
  • About GitLab
  • Terms
  • Privacy Statement
  • Contact

Page generated Sun, 08 Nov 2026 00:16:11 +0000.