CVE-2012-5502 Plone Cross-site scripting Vulnerability
Authenticated users with edit permissions can inject arbitrary scripts into Plone, potentially compromising other users' sessions.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2012-5502?
CVE-2012-5502 is a low-severity cross-site scripting vulnerability in Plone Plone, published on 30 Sep 2014. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
Cross-site scripting (XSS) vulnerability in safe_html.py in Plone before 4.2.3 and 4.3 before beta 1 allows remote authenticated users with permissions to edit content to inject arbitrary web script or HTML via unspecified vectors.
Weakness: CWE-79
Which versions are affected by CVE-2012-5502?
5 open source packages ship an affected version, including plone and Plone. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
plone PyPI | All versions | 4.2.3, 4.3b1 |
plone PyPI | All versions | 4.2.3 |
plone PyPI | From 4.3a0 | 4.3b1 |
Plone PyPI | All versions | 4.2.3 |
Plone PyPI | From 4.3a0 | 4.3b1 |
Products include Plone Plone.
How do I fix CVE-2012-5502?
Upgrade plone to a fixed version for your release line: 4.2.3 or 4.3b1.
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-2012-5502 being exploited?
There is no known exploitation of CVE-2012-5502 in the wild and no public exploit code.
Other vulnerabilities in Plone Plone
Sources
Also known as GHSA-hr59-35cr-qf43, PYSEC-2014-44.