CVE-2016-9188

Publication date 4 November 2016

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

Cross-site scripting (XSS) vulnerabilities in Moodle CMS on or before 3.1.2 allow remote attackers to inject arbitrary web script or HTML via the s_additionalhtmlhead, s_additionalhtmltopofbody, and s_additionalhtmlfooter parameters.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
moodle	18.10 cosmic	Ignored
	18.04 LTS bionic	Ignored
	17.10 artful	Ignored end of life
	17.04 zesty	Ignored end of life
	16.10 yakkety	Ignored end of life
	16.04 LTS xenial	Ignored
	14.04 LTS trusty	Not in release
	12.04 LTS precise	Ignored end of life

Notes

ebarretto

Moodle upstream does not believe it is a security vulnerability and the reporter did not followed up on requests from upstream to provide clarification

Severity score breakdown

CVSS version: CVSS v3.0

Base score 6.1 · Medium

Base metrics

Parameter	Value
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Changed
Confidentiality impact	Low
Integrity impact	Low
Availability impact	None

Scores

Parameter	Value
Base score	6.1 · Medium
Exploitability score	-
Impact score	-

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N