Medium severity · published Nov 15, 2024
CVE-2021-3741
Stored Cross-site Scripting (XSS) in chatwoot/chatwoot
5.4
CVSS
0.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 23% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CH
chatwoot/chatwoot · chatwoot
before 2.6 · source: vendor
CH
Chatwoot · Chatwoot
before 2.6.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-3741
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-3741
Product
https://github.com/chatwoot/chatwoot/commit/6fdd4a29969be8423f31890b807d27d13627c50c
Broken Link
https://huntr.com/bounties/1625474692857-chatwoot/chatwoot
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