CVE-2023-3476 SimplePHPscripts GuestBook Script URL Parameter preview.php cross site scripting
Remote attackers can inject malicious scripts via the preview.php URL parameter in SimplePHPscripts GuestBook Script, potentially compromising user 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
- None listed
What is CVE-2023-3476?
CVE-2023-3476 is a low-severity cross-site scripting vulnerability in SimplePHPscripts GuestBook Script, published on 30 Jun 2023. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
A vulnerability was found in SimplePHPscripts GuestBook Script 2.2. It has been classified as problematic. This affects an unknown part of the file preview.php of the component URL Parameter Handler. The manipulation leads to cross site scripting. It is possible to initiate the attack remotely. It is recommended to upgrade the affected component. The associated identifier of this vulnerability is VDB-232755.
Weakness: CWE-79
Which versions are affected by CVE-2023-3476?
It affects 1 product.
Products include Simplephpscripts Guestbook Script.
How do I fix CVE-2023-3476?
No fix has been published for CVE-2023-3476 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-2023-3476 being exploited?
There is no known exploitation of CVE-2023-3476 in the wild and no public exploit code.
Sources
Also known as GHSA-67m9-whrq-jj5r.