Vulnerability · Published Apr 12, 2021 · Assigned by mitre
CVE-2021-3163
Medium 6.1
In plain English
A medium-severity security flaw in the quill package (npm). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.3% (higher than 71% of all known vulnerabilities).
Severity (CVSS NVD)6.1Medium
Exploit odds (30 days)1.3%top 29.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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 packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| npm | quill | no fix listed | GHSA-4943-9vgg-gr5r |
Affected products (as reported)
References
- https://quilljs.com x_refsource_MISC
- https://burninatorsec.blogspot.com/2021/04/cve-2021-3163-xss-slab-quill-js.html x_refsource_MISC
- https://github.com/quilljs/quill/issues/3273 x_refsource_MISC
- https://github.com/quilljs/quill/issues/3364 x_refsource_MISC