CVE-2016-4043

MEDIUMNVD 4.94.9—

4.9

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.

CVSS v3: 4.9
EG Score: 4.9(medium)
EPSS: 33.7%
KEV: Not listed

Published

February 24, 2017

Last Modified

May 13, 2026

References (4)

cve@mitrehttp://www.openwall.com/lists/oss-security/2016/04/20/3
cve@mitrehttps://plone.org/security/hotfix/20160419/bypass-restricted-python
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2016/04/20/3
af854a3a-2127-422b-91ae-364da2661108https://plone.org/security/hotfix/20160419/bypass-restricted-python

Patch Availability(1)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
pip	Plone	—	ghsa

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(1 across 1 ecosystem)

PyPI(1)

Package	Vulnerable range	Fixed in	Dependents
plone	5.0 ... 5.1a1 (15 versions)	5.1a2	—

Data Freshness Timeline

(refreshed 9× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:10 UTCepss_batch
2026-06-01 13:49 UTCepss_batch
2026-06-01 13:49 UTCepss_batch
2026-05-31 22:28 UTCepss_batch
2026-05-31 22:28 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-29 13:41 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:16 UTCepss_batch
2026-05-24 16:43 UTCepss_batch
2026-05-22 21:15 UTCepss_batch
2026-05-22 21:15 UTCepss_batch
2026-05-22 15:54 UTCEG score recompute
2026-05-22 15:54 UTCGHSA enrichment
2026-05-21 22:40 UTCepss_batch
2026-05-20 22:37 UTCepss_batch

Frequently asked(5)

What is CVE-2016-4043?

CVE-2016-4043 is a medium vulnerability published on February 24, 2017. 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.

When was CVE-2016-4043 disclosed?

CVE-2016-4043 was first published in the National Vulnerability Database on February 24, 2017, with the most recent update on May 13, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2016-4043 actively exploited?

CVE-2016-4043 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 33.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2016-4043?

CVE-2016-4043 has a CVSS v3 base score of 4.9 (NVD).

How do I remediate CVE-2016-4043?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2016-4043, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2016-4043

📅 Published

🔄 Last Modified

🔗 References (4)

Patch Availability(1)

Affected Packages

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2016-4043?

🔗 Related CVEs(same product)

Same product

Published

Last Modified

References (4)

Frequently asked(5)

Related CVEs(same product)