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🐍 PyPI
Not in CISA KEV
HIGH severity

Cross-Frame Scripting vulnerability has been found on Plone CMSGHSA-5xfx-55x4-j223

HIGH

GHSA-5xfx-55x4-j223 is a high-severity (CVSS 7.1) CWE-1021 vulnerability in plone. A fix is available for plone — see the affected versions and patch details below.

Also known asCVE-2024-0669PYSEC-2026-1797
Published
Updated
Affected
1 pkg
Patched
1 / 1
Exploits
None indexed
Exploitation data as of Nov 11, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

Exploitation Status

No confirmed exploitation observed yet

  • CISA’s own triage has not observed active exploitation or public proof-of-concept code for this CVE as of its last assessment.

Exploitation and automatability from CISA’s SSVC triage for GHSA-5xfx-55x4-j223.

EPSS Exploitation Probability

via FIRST.org ↗
0.3%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs22th percentile — riskier than 22% of all scored CVEsHighest risk
0.00%0.26%0.53%0.79%0.1%0.3%May 26Sep 26Nov 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

1 pkg affected
🐍plone

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects PyPI packages — download data is not available via public APIs for these ecosystems.

Description

A Cross-Frame Scripting vulnerability has been found on Plone CMS affecting verssion below 6.0.5. An attacker could store a malicious URL to be opened by an administrator and execute a malicios iframe element.

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
🐍PyPIploneall versions6.0.7pip install --upgrade 'plone==6.0.7'

Affected Products

1 product · 1 configurations
Application
ploneplone
< 6.0.7
range

Detection & mitigation playbook

Open-source dependency

  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for plone, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update plone to 6.0.7 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-5xfx-55x4-j223 is resolved across your whole dependency graph.

  3. Workarounds

    If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

Frequently Asked Questions

A Cross-Frame Scripting vulnerability has been found on Plone CMS affecting version below 6.0.5. An attacker could store a malicious URL to be opened by an administrator and execute a malicios iframe element.
O3 Security · Impact-Aware SCA

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