CVE-2012-3031 Cross-site scripting in n/a

Medium 4.3 Published Updated

Remote attackers can inject arbitrary web script or HTML into Siemens WinCC WebNavigator via GET, POST, or Referer headers, requiring user interaction to execute.

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
None listed

What is CVE-2012-3031?

CVE-2012-3031 is a medium-severity cross-site scripting vulnerability in n/a, published on 18 Sep 2012. 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

Multiple cross-site scripting (XSS) vulnerabilities in WebNavigator in Siemens WinCC 7.0 SP3 and earlier, as used in SIMATIC PCS7 and other products, allow remote attackers to inject arbitrary web script or HTML via a (1) GET parameter, (2) POST parameter, or (3) Referer HTTP header.

Weakness: CWE-79

Which versions are affected by CVE-2012-3031?

It affects 2 products.

Products include Siemens Simatic Pcs7, Siemens Wincc.

How do I fix CVE-2012-3031?

No fix has been published for CVE-2012-3031 yet. Limit exposure of the affected software until one is available.

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-2012-3031 being exploited?

There is no known exploitation of CVE-2012-3031 in the wild and no public exploit code.

Sources

Also known as GHSA-3hmm-fj7j-6c8j.

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