---
id: CVE-2016-3709
title: Possible cross-site scripting vulnerability in libxml after commit 960f0e2.
summary: Possible cross-site scripting vulnerability in libxml after commit 960f0e2.
severity: medium
cvss: 6.1
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N'
cwe:
  - CWE-79
  - CWE-79
vendor: xmlsoft
product: libxml2
affected:
  - 'libxml2 >= 2.9.2, < 2.9.11'
patched:
  - libxml2 2.9.11
published: '2022-07-28'
updated: '2026-10-14'
sourceUpdated: '2026-10-14T07:16:37.953'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2016-3709'
references:
  - url: 'https://mail.gnome.org/archives/xml/2018-January/msg00010.html'
    label: secalert@redhat.com
  - url: 'https://lists.debian.org/debian-lts-announce/2024/09/msg00021.html'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://mail.gnome.org/archives/xml/2018-January/msg00010.html'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://cert-portal.siemens.com/productcert/html/ssa-398330.html'
    label: 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
tags:
  - nvd
epss: 0.00956
epssPercentile: 0.60401
ingestedAt: '2026-10-14T07:21:04.826Z'
---

## Overview

Possible cross-site scripting vulnerability in libxml after commit 960f0e2.

## Affected

- `libxml2 >= 2.9.2, < 2.9.11`

## Remediation

Upgrade past the affected range:

- `libxml2 2.9.11`