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MEDIUM severity

CVE-2016-7135 — plone

MEDIUM

CVE-2016-7135 is a medium-severity (CVSS 4.9) Path Traversal vulnerability in plone. 1 public exploit or proof-of-concept reference is indexed, so weaponization risk is real. A fix is available for plone — see the affected versions and patch details below.

Plone vulnerable to filesystem information leak

Also known asGHSA-m7f9-65wr-pwchPYSEC-2017-58
Published
Updated
Affected
2 pkgs
Patched
2 / 2
Exploits
1 known
Exploitation data as of Nov 3, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
2.6%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs85th percentile — riskier than 85% of all scored CVEsHighest risk
0.13%1.14%2.16%3.18%0.7%2.6%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

2 pkgs affected
🐍plone🐍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

Directory traversal vulnerability in Plone CMS 5.x through 5.0.6 and 4.2.x through 4.3.11 allows remote administrators to read arbitrary files via a .. (dot dot) in the path parameter in a getFile action to Plone/++theme++barceloneta/@@plone.resourceeditor.filemanager-actions.

Affected Packages

2 total 2 fixed
EcosystemPackageVulnerable rangeFix
🐍PyPIplone≥ 5.0&&< 5.0.75.0.7pip install --upgrade 'plone==5.0.7'
🐍PyPIplone≥ 4.2&&< 4.3.124.3.12pip install --upgrade 'plone==4.3.12'

Affected Products

1 product · 32 configurations
Application
ploneplone
28 versions
4.24.2.14.2.24.2.34.2.44.2.54.2.64.2.74.34.3.14.3.24.3.3
Exploits & PoCs
1

Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.

Directory traversal vulnerability in Plone CMS 5.x through 5.0.6 and 4.2…

packetstormsecurity.comNVDOct 2018

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 5.0.7 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2016-7135 is resolved across your whole dependency graph.

  3. Workarounds

    Resolve every user-supplied path to its canonical form and reject anything that escapes the intended directory, and run the component under an account that has no read or write access outside the directory it legitimately serves.

Frequently Asked Questions

Directory traversal vulnerability in Plone CMS 5.x through 5.0.6 and 4.2.x through 4.3.11 allows remote administrators to read arbitrary files via a .. (dot dot) in the path parameter in a getFile action to Plone/++theme++barceloneta/@@plone.resourceeditor.filemanager-actions.
O3 Security · Impact-Aware SCA

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CVE-2016-7135: plone Path Traversal — Fixed in 5.0.7