CVE-2021-3741

Stored Cross-site Scripting (XSS) in chatwoot/chatwoot

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.

Category

5.4
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 3.0 •
EPSS 0.05%
Affected: chatwoot chatwoot/chatwoot
Published at:
Updated at:

References

Frequently Asked Questions

What is the severity of CVE-2021-3741?
CVE-2021-3741 has been scored as a medium severity vulnerability.
How to fix CVE-2021-3741?
To fix CVE-2021-3741, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-3741 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-3741 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-3741?
CVE-2021-3741 affects chatwoot chatwoot/chatwoot.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.