Is CVE-2017-9551 actively exploited?

No active exploitation of CVE-2017-9551 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2017-9551 be exploited remotely?

Yes. CVE-2017-9551 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2017-9551?

CVE-2017-9551 has a CVSS score of 6.1 (MEDIUM).

HOME VULNERABILITIESCVE-2017-9551

MEDIUM

CVE-2017-9551

CWE-79Published: September 25, 2017· Updated: Jun 17, 2026

6.1

CVSS v3.1

Official Description

Mahara 15.04 before 15.04.14 and 16.04 before 16.04.8 and 16.10 before 16.10.5 and 17.04 before 17.04.3 are vulnerable to a user submitting potential dangerous payload, e.g. XSS code, to be saved as their name in the usr_registration table. The values are then emailed to the the user and administrator and if accepted become part of the new user's account.

NVD Source

Technical Analysis

CVE-2017-9551 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

The vulnerability has a "Changed" scope, meaning successful exploitation can impact components beyond the vulnerable component itself — such as the host operating system or adjacent services.

From a weakness classification perspective (CWE-79): Cross-site scripting (XSS) vulnerabilities allow attackers to inject malicious scripts into web pages viewed by other users.