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MEDIUM severity

Plone Open Redirect VulnerabilityGHSA-69vh-662j-v988

MEDIUM

GHSA-69vh-662j-v988 is a medium-severity (CVSS 6.1) Open Redirect vulnerability in plone. 1 public exploit or proof-of-concept reference is indexed, so weaponization risk is real. The records list no fixed version yet; check the vendor advisory below and apply the mitigations in the meantime.

Also known asCVE-2016-7137PYSEC-2017-60
Published
Updated
Affected
3 pkgs
Patched
See advisory
Exploits
1 known
Exploitation data as of Nov 4, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
1.7%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs77th percentile — riskier than 77% of all scored CVEsHighest risk
0.00%0.72%1.45%2.17%0.5%1.7%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

3 pkgs affected
🐍plone🐍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

Multiple open redirect vulnerabilities in Plone CMS 5.x through 5.0.6, 4.x through 4.3.11, and 3.3.x through 3.3.6 allow remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via a URL in the referer parameter to (1) %2b%2bgroupdashboard%2b%2bplone.dashboard1%2bgroup/%2b/portlets.Actions or (2) folder/%2b%2bcontextportlets%2b%2bplone.footerportlets/%2b /portlets.Actions or the (3) came_from parameter to /login_form.

Affected Packages

3 total
EcosystemPackageVulnerable rangeFix
🐍PyPIplone≥ 5.0No fix
🐍PyPIplone≥ 4.0No fix
🐍PyPIplone≥ 3.3No fix

Affected Products

1 product · 56 configurations
Application
ploneplone
52 versions
3.33.3.13.3.23.3.33.3.43.3.53.3.64.04.0.14.0.24.0.34.0.4
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.

Multiple open redirect vulnerabilities in Plone CMS 5.x through 5.0.6, 4…

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. Remediation status

    The records we use list no patched version of plone for GHSA-69vh-662j-v988. Check the maintainer's advisory, and where your build allows, override or pin the dependency away from the vulnerable range.

  3. Mitigate without a patch

    Stop reflecting attacker-controlled destinations: resolve every redirect target against an allowlist of paths or hosts you own, prefer a server-side key over a full URL in the request, and reject absolute URLs entirely where the flow only ever needs a relative one.

Frequently Asked Questions

Multiple open redirect vulnerabilities in Plone CMS 5.x through 5.0.6, 4.x through 4.3.11, and 3.3.x through 3.3.6 allow remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via a URL in the referer parameter to (1) `%2b%2bgroupdashboard%2b%2bplone.dashboard1%2bgroup/%2b/portlets.Actions` or (2) `folder/%2b%2bcontextportlets%2b%2bplone.footerportlets/%2b /portlets.Actions` or the (3) `came_from` parameter to `/login_form`.
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Plone Open Redirect Vulnerability (Medium 6.1)