How severe is CVE-2016-3709?

CVE-2016-3709 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2016-3709 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-3709?

CVE-2016-3709 affects Xmlsoft Libxml2. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-3709?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2016-3709 published?

CVE-2016-3709 was published on 2022-07-28 and last updated on 2026-06-17.

CVE-2016-3709

CVE-2016-3709 is a medium-severity vulnerability in Xmlsoft Libxml2 with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
EPSS exploit prediction: 1% (51st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Xmlsoft Libxml2
Published: 2022-07-28
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is CVE-2016-3709?: Possible cross-site scripting vulnerability in libxml after commit 960f0e2.
How severe is CVE-2016-3709?: CVE-2016-3709 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2016-3709 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-3709?: CVE-2016-3709 affects Xmlsoft Libxml2. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-3709?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2016-3709 published?: CVE-2016-3709 was published on 2022-07-28 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:xmlsoft:libxml2:*:*:*:*:*:*:*:*

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