CVE-2022-23599: Products.ATContentTypes are the core content types for Plone 2.1 - 4.3

Q: How do I fix CVE-2022-23599?

plone: upgrade to 3.0.6. Exact commands for each OS are on this page.

Q: Is CVE-2022-23599 being exploited?

CVE-2022-23599 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2022-23599 affect?

CVE-2022-23599 affects plone. Severity is medium (CVSS 4.3). Products.ATContentTypes are the core content types for Plone 2.1 - 4.3. Versions of Plone that are dependent on Products.ATContentTypes prior to version 3.0.6 are vulnerable to reflected cross site scripting and open redirect when an attack

Q: How urgent is CVE-2022-23599?

Priority 29/100. No elevated risk signals yet.

Routine

MEDIUM 4.3UPGRADE

CVE-2022-23599 is a medium-severity flaw (CVSS 4.3) affecting plone. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Products.ATContentTypes are the core content types for Plone 2.1 - 4.3. Versions of Plone that are dependent on Products.ATContentTypes prior to version 3.0.6 are vulnerable to reflected cross site scripting and open redirect when an attacker can get a compromised version of the image_view_fullscreen page in a cache, for example in Varnish. The technique is known as cache poisoning. Any later visitor can get redirected when clicking on a link on

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	4.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.8% (top 45%)
CISA exploited list	No
Weakness	CWE-79, CWE-601
Published	2022-01-28
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: plone

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2022-01-28 22:15 UTCPublished CVE record published
2026-06-17 04:30 UTCUpdated Record last modified

plone plone UPGRADE

Affected: < 3.0.6

Fixed in: 3.0.6

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy plone || rpm -q plone || plone --version

2. UPGRADE to 3.0.6 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade plone

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade plone

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2022-23599?

plone: upgrade to 3.0.6. Exact commands for each OS are on this page.

Is CVE-2022-23599 being exploited?

CVE-2022-23599 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2022-23599 affect?

CVE-2022-23599 affects plone. Severity is medium (CVSS 4.3). Products.ATContentTypes are the core content types for Plone 2.1 - 4.3. Versions of Plone that are dependent on Products.ATContentTypes prior to version 3.0.6 are vulnerable to reflected cross site scripting and open redirect when an attack

How urgent is CVE-2022-23599?

Priority 29/100. No elevated risk signals yet.

Software pages

Varnish vulnerabilities

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References

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