CVE-2017-1000481: PYSEC-2026-2963 - Products.CMFPlone Open Redirect Vulnerability

Quick answers

Is CVE-2017-1000481 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2017-1000481 being exploited in the wild.

How severe is CVE-2017-1000481?

Low severity, with a CVSS score of 3, published 9 July 2026.

Which products and versions are affected?

plone (PyPI) ECOSYSTEM:introduced=2.5,fixed=4.3.16, ECOSYSTEM:introduced=2.5,fixed=4.3.16,introduced=5,fixed=5.1.0; products-cmfplone (PyPI) ECOSYSTEM:introduced=0,fixed=4.3.17, ECOSYSTEM:introduced=0,fixed=4.3.17,introduced=5.0.0,fixed=5.0.10,introduced=5.1a1,fixed=5.1.0.

Is there a fix for CVE-2017-1000481?

Yes. plone (PyPI): upgrade to 4.3.16, 5.1.0 or later; products-cmfplone (PyPI): upgrade to 4.3.17, 5.1.0 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

Am I affected by CVE-2017-1000481?

Check whether you run plone (PyPI) or products-cmfplone (PyPI) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

• plone (PyPI): upgrade to 4.3.16, 5.1.0 or later

  pip install "plone>=5.1.0"

• products-cmfplone (PyPI): upgrade to 4.3.17, 5.1.0 or later

  pip install "products-cmfplone>=5.1.0"

Affected products

• plone (PyPI) ECOSYSTEM:introduced=2.5,fixed=4.3.16, ECOSYSTEM:introduced=2.5,fixed=4.3.16,introduced=5,fixed=5.1.0
• products-cmfplone (PyPI) ECOSYSTEM:introduced=0,fixed=4.3.17, ECOSYSTEM:introduced=0,fixed=4.3.17,introduced=5.0.0,fixed=5.0.10,introduced=5.1a1,fixed=5.1.0

Identifiers

• CVE-2017-1000481
• GHSA-8g72-gq68-6gqh
• PYSEC-2018-70
• PYSEC-2026-2963