CVE-2021-3539
5.4
MEDIUM
CVSS 3.1
EPSS 0.58%
Description
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.
How to fix CVE-2021-3539
To remediate CVE-2021-3539, upgrade the affected package to a fixed version below.
- Bitnami/espocrm—upgrade to 6.1.6 or later
Is CVE-2021-3539 being exploited?
Low — EPSS is 0.6%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 6.1.6
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |