CVE-2015-7316 Plone Cross-site Scripting Vulnerability

Medium 6.1 Published Updated

An attacker can inject malicious scripts into Plone CMS pages, potentially stealing user sessions or executing code in victim browsers.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2015-7316?

CVE-2015-7316 is a medium-severity cross-site scripting vulnerability in Plone Plone, published on 25 Sep 2017. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Cross-site scripting (XSS) vulnerability in Plone 3.3.0 through 3.3.6, 4.0.0 through 4.0.10, 4.1.0 through 4.1.6, 4.2.0 through 4.2.7, 4.3.x before 4.3.7, and 5.0rc1.

Weakness: CWE-79

Which versions are affected by CVE-2015-7316?

13 open source packages ship an affected version, including plone and Plone. It affects 1 product.

PackageAffectedFixed in
plone PyPIAll versionsNone
plone PyPIFrom 3.34.0a1, 4.1a1, 4.2a1, 4.3a1, 4.3.7, 5.0rc2
plone PyPIFrom 3.33.3.7
plone PyPIFrom 4.04.0.11
plone PyPIFrom 4.14.1.7
plone PyPIFrom 4.24.2.8
7 more packages
plone PyPIFrom 4.34.3.7
Plone PyPIAll versionsNone
Plone PyPIFrom 3.33.3.7
Plone PyPIFrom 4.04.0.11
Plone PyPIFrom 4.14.1.7
Plone PyPIFrom 4.24.2.8
Plone PyPIFrom 4.34.3.7

Products include Plone Plone.

How do I fix CVE-2015-7316?

Upgrade plone to a fixed version for your release line: 4.0a1, 4.1a1, 4.2a1 or 4.3a1.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2015-7316 being exploited?

There is no known exploitation of CVE-2015-7316 in the wild and no public exploit code.

All Plone Plone vulnerabilities

Sources

Also known as GHSA-vf8g-m3vq-6p4p, PYSEC-2017-53.

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