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
Published: 2021-04-12
Score: 6.1 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories
Source ID Title
Github GHSA Github GHSA GHSA-4943-9vgg-gr5r Cross-site Scripting in quill
History

Wed, 25 Feb 2026 09:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-03T16:45:51.393Z

Reserved: 2021-01-17T00:00:00.000Z

Link: CVE-2021-3163

cve-icon Vulnrichment

Updated: 2024-08-03T16:45:51.393Z

cve-icon NVD

Status : Modified

Published: 2021-04-12T21:15:14.340

Modified: 2024-11-21T06:21:02.183

Link: CVE-2021-3163

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses