EspoCRM Avatar Persistent XSS
CVE-2021-3539
6.3MEDIUM
What is CVE-2021-3539?
EspoCRM 6.1.6 and prior suffers from a persistent (type II) cross-site scripting (XSS) vulnerability in processing user-supplied avatar images. This issue was fixed in version 6.1.7 of the product.
Affected Version(s)
EspoCRM 6.1.6
References
CVSS V3.1
Score:
6.3
Severity:
MEDIUM
Confidentiality:
High
Integrity:
Low
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
Required
Scope:
Unchanged
Timeline
Vulnerability published
Vulnerability Reserved
Credit
Wiktor Sędkowski of Nokia and Trevor Christiansen of Rapid7 discovered and reported this issue through Rapid7's vulnerability disclosure program.