CVE-2009-2371 Cross-site scripting in n/a

Medium 6.5 Published Updated

Authenticated users can inject scripts or PHP code via user signatures in Advanced Forum, potentially leading to code execution or security bypass.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2009-2371?

CVE-2009-2371 is a medium-severity cross-site scripting vulnerability in n/a, published on 8 Jul 2009. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Advanced Forum 6.x before 6.x-1.1, a module for Drupal, does not prevent users from modifying user signatures after the associated comment format has been changed to an administrator-controlled input format, which allows remote authenticated users to inject arbitrary web script, HTML, and possibly PHP code via a crafted user signature.

Weakness: CWE-264

Which versions are affected by CVE-2009-2371?

It affects 1 product.

Products include Michelle Cox Advanced Forum.

How do I fix CVE-2009-2371?

No fix has been published for CVE-2009-2371 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-2009-2371 being exploited?

There is no known exploitation of CVE-2009-2371 in the wild and no public exploit code.

Sources

Also known as GHSA-cxmw-fgm7-87f2.

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