Loading HuntDB...
Hunt
Vulnerability Intelligence by wss.sh
Home Daily Briefings High Impact CVEs Recent Exploits KEV Catalog GitHub Advisories Latest Updates Security News
Sign In Sign Up

CVE-2021-3741

HIGH
Published 2024-11-15T10:51:22.667Z
Actions:

Expert Analysis

Professional remediation guidance

Get tailored security recommendations from our analyst team for CVE-2021-3741. We'll provide specific mitigation strategies based on your environment and risk profile.

CVSS Score

V3.0
7.8
/10
CVSS:3.0/AV:A/AC:L/PR:H/UI:R/S:C/C:H/I:L/A:H
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.001
probability
of exploitation in the wild

There is a 0.1% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.183
Higher than 18.3% of all CVEs

Attack Vector Metrics

Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
REQUIRED
Scope
CHANGED

Impact Metrics

Confidentiality
HIGH
Integrity
LOW
Availability
HIGH

Description

A stored cross-site scripting (XSS) vulnerability was discovered in chatwoot/chatwoot, affecting all versions prior to 2.6. The vulnerability occurs when a user uploads an SVG file containing a malicious XSS payload in the profile settings. When the avatar is opened in a new page, the custom JavaScript code is executed, leading to potential security risks.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

chatwoot

chatwoot/chatwoot

Affected Versions:

unspecified

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed HIGH

GHSA-jwrg-4wf2-p7jw

Advisory Details

A stored cross-site scripting (XSS) vulnerability was discovered in chatwoot/chatwoot, affecting all versions prior to 2.6. The vulnerability occurs when a user uploads an SVG file containing a malicious XSS payload in the profile settings. When the avatar is opened in a new page, the custom JavaScript code is executed, leading to potential security risks.

CVSS Scoring

CVSS Score

7.5

CVSS Vector

CVSS:3.0/AV:A/AC:L/PR:H/UI:R/S:C/C:H/I:L/A:H

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2021-3741
WEB https://github.com/chatwoot/chatwoot/commit/6fdd4a29969be8423f31890b807d27d13627c50c
WEB https://huntr.com/bounties/1625474692857-chatwoot/chatwoot

Advisory provided by GitHub Security Advisory Database. Published: November 15, 2024, Modified: November 15, 2024

References

https://huntr.com/bounties/1625474692857-chatwoot/chatwoot
https://github.com/chatwoot/chatwoot/commit/6fdd4a29969be8423f31890b807d27d13627c50c
Published: 2024-11-15T10:51:22.667Z
Last Modified: 2024-11-20T22:36:41.760Z
Copied to clipboard!