How severe is CVE-2016-4043?

CVE-2016-4043 has a CVSS 3.x base score of 4.9, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2016-4043 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-4043?

CVE-2016-4043 primarily affects Plone. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2016-4043?

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

When was CVE-2016-4043 published?

CVE-2016-4043 was published on 2017-02-24 and last updated on 2026-06-17.

CVE-2016-4043

CVE-2016-4043 is a medium-severity vulnerability in Plone with a CVSS 3.x base score of 4.9. 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-264.

Key facts

Severity: Medium (CVSS 3.x base score 4.9)
CVSS v2: 3.5
EPSS exploit prediction: 1% (59th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Plone
Published: 2017-02-24
Last modified: 2026-06-17

Description

Chameleon (five.pt) in Plone 5.0rc1 through 5.1a1 allows remote authenticated users to bypass Restricted Python by leveraging permissions to create or edit templates.

Frequently asked questions

What is CVE-2016-4043?: Chameleon (five.pt) in Plone 5.0rc1 through 5.1a1 allows remote authenticated users to bypass Restricted Python by leveraging permissions to create or edit templates.
How severe is CVE-2016-4043?: CVE-2016-4043 has a CVSS 3.x base score of 4.9, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2016-4043 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-4043?: CVE-2016-4043 primarily affects Plone. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2016-4043?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2016-4043 published?: CVE-2016-4043 was published on 2017-02-24 and last updated on 2026-06-17.

References

Affected products (9)

cpe:2.3:a:plone:plone:5.0:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:5.0:rc1:*:*:*:*:*:*
cpe:2.3:a:plone:plone:5.0:rc2:*:*:*:*:*:*
cpe:2.3:a:plone:plone:5.0:rc3:*:*:*:*:*:*
cpe:2.3:a:plone:plone:5.0.1:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:5.0.2:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:5.0.3:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:5.0.4:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:5.1a1:*:*:*:*:*:*:*

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