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CVE-2016-3709

22
FAUCET Score

CVE-2016-3709 describes a potential cross-site scripting (XSS) vulnerability within libxml2, specifically after a particular code commit. This medium-severity flaw (CVSS 6.1) could allow an attacker to inject malicious scripts into web pages, potentially leading to information disclosure or defacement, requiring user interaction to exploit. There is no evidence of active exploitation, nor are there publicly available exploit modules or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
>= 2.9.2, < 2.9.11CPE matchmatch criteria
cpe:2.3:a:xmlsoft:libxml2:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.1MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
2.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.88%
Probability of exploitation in next 30 days
EPSS Percentile
55.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0088 is in the 66th percentile among its peer group of 26,219 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (8)

microsoftpatch availablevia msrc
Product: cbl2 libxml2 2.10.4-1 on CBL Mariner 2.0Fixed in: 2.10.4-1
microsoftpatch availablevia msrc
Product: 16873-16823Fixed in: 2.10.4-1
microsoftpatch availablevia msrc
Product: cm1 libxml2 2.9.14-3 on CBL Mariner 1.0Fixed in: 2.9.14-3
microsoftpatch availablevia msrc
Product: 16872-16820Fixed in: 2.9.14-3
microsoftpatch availablevia msrc
Product: CBL Mariner 2.0 x64Fixed in: 2.10.4-1
microsoftpatch availablevia msrc
Product: CBL Mariner 2.0 ARMFixed in: 2.10.4-1
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: libxml2-0:2.9.7-15.el8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.6 Extended Update SupportFixed in: libxml2-0:2.9.7-13.el8_6.2
View patch

Vendor Advisories (3)

microsoft2023-Aug/CVE-2016-3709

CVE-2016-3709

Aug 8, 2023
microsoft2022-Jul/CVE-2016-3709Moderate

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

Jul 12, 2022
redhatCVE-2016-3709Moderate

libxml2: Incorrect server side include parsing can lead to XSS

Aug 11, 2016

References

lists.debian.org / debian-lts-announce/2024/09/msg00021.html
mail.gnome.org / archives/xml/2018-January/msg00010.html
ExploitMailing ListThird Party Advisory