CVE-2009-2440 Cross-site scripting in n/a
Remote attackers can inject arbitrary web script or HTML via the page parameter in JNM Guestbook, potentially compromising user sessions.
- 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-2009-2440?
CVE-2009-2440 is a medium-severity cross-site scripting vulnerability in n/a, published on 13 Jul 2009. 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 index.php in JNM Guestbook 3.0 allows remote attackers to inject arbitrary web script or HTML via the page parameter.
Weakness: CWE-79
Which versions are affected by CVE-2009-2440?
It affects 1 product.
Products include Jnmsolutions Guestbook.
How do I fix CVE-2009-2440?
No fix has been published for CVE-2009-2440 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-2009-2440 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2009-2440 exists.
Public exploit code: 1 Exploit-DB entry.
Sources
Also known as GHSA-p823-qr2p-j2x5.