Is CVE-2017-11756 actively exploited?

No active exploitation of CVE-2017-11756 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2017-11756 be exploited remotely?

No. CVE-2017-11756 requires local access to exploit.

What is the CVSS score of CVE-2017-11756?

CVE-2017-11756 has a CVSS score of 7.0 (HIGH).

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HIGH

CVE-2017-11756

CWE-434Published: July 30, 2017· Updated: Jun 17, 2026

7.0

CVSS v3.1

Official Description

In Earcms Ear Music through 4.1 build 20170710, remote authenticated users can execute arbitrary PHP code by changing the allowable music-upload extensions to include .php in addition to .mp3 and .m4a in admin.php?iframe=config_upload, and then using user.php/music/add/ to upload the code.

NVD Source

Technical Analysis

CVE-2017-11756 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.0.