How severe is CVE-2016-7138?

CVE-2016-7138 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-2016-7138 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-7138?

CVE-2016-7138 primarily affects Plone. In total, 56 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2016-7138?

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

When was CVE-2016-7138 published?

CVE-2016-7138 was published on 2017-03-07 and last updated on 2026-06-17.

CVE-2016-7138

CVE-2016-7138 is a medium-severity vulnerability in Plone 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)
CVSS v2: 4.3
EPSS exploit prediction: 2% (73rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Plone
Published: 2017-03-07
Last modified: 2026-06-17

Description

Cross-site scripting (XSS) vulnerability in the URL checking infrastructure in Plone CMS 5.x through 5.0.6, 4.x through 4.3.11, and 3.3.x through 3.3.6 allows remote attackers to inject arbitrary web script or HTML via a crafted URL.

Frequently asked questions

What is CVE-2016-7138?: Cross-site scripting (XSS) vulnerability in the URL checking infrastructure in Plone CMS 5.x through 5.0.6, 4.x through 4.3.11, and 3.3.x through 3.3.6 allows remote attackers to inject arbitrary web script or HTML via a crafted URL.
How severe is CVE-2016-7138?: CVE-2016-7138 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-2016-7138 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-7138?: CVE-2016-7138 primarily affects Plone. In total, 56 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2016-7138?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2016-7138 published?: CVE-2016-7138 was published on 2017-03-07 and last updated on 2026-06-17.

References

Affected products (56)

cpe:2.3:a:plone:plone:3.3:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:3.3.1:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:3.3.2:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:3.3.3:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:3.3.4:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:3.3.5:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:3.3.6:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:4.0:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:4.0.1:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:4.0.2:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:4.0.3:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:4.0.4:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:4.0.5:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:4.0.7:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:4.0.8:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:4.0.9:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:4.0.10:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:4.1:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:4.1.1:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:4.1.2:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:4.1.3:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:4.1.4:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:4.1.5:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:4.1.6:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:4.2:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:4.2.1:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:4.2.2:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:4.2.3:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:4.2.4:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:4.2.5:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:4.2.6:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:4.2.7:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:4.3:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:4.3.1:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:4.3.2:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:4.3.3:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:4.3.4:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:4.3.5:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:4.3.6:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:4.3.7:*:*:*:*:*:*:*

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