CVE-2021-3539 - CVE House
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Status published Medium CVE-2021-3539

EspoCRM Avatar Persistent XSS

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Wiktor Sędkowski of Nokia and Trevor Christiansen of Rapid7 discovered and reported this issue through Rapid7's vulnerability disclosure program.

Affected Vendor

Affected Software

EspoCRM
Vulnerable Versions:
6.1.6

Timeline

Official Publish: August 4th, 2021
Last Modified: September 16th, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N

Weaknesses (CWE)