CVE-2023-3540 SimplePHPscripts NewsLetter Script PHP URL Parameter preview.php cross site scripting
Remote attackers can inject malicious scripts via URL parameters in the preview.php file of SimplePHPscripts NewsLetter Script.
- 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-2023-3540?
CVE-2023-3540 is a low-severity cross-site scripting vulnerability in SimplePHPscripts NewsLetter Script PHP, published on 7 Jul 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, which was classified as problematic, was found in SimplePHPscripts NewsLetter Script PHP 2.4. Affected is an unknown function of the file /preview.php of the component URL Parameter Handler. The manipulation leads to cross site scripting. It is possible to launch the attack remotely. The identifier of this vulnerability is VDB-233292.
Weakness: CWE-79
Which versions are affected by CVE-2023-3540?
It affects 1 product.
Products include Simplephpscripts Newsletter Script Php.
How do I fix CVE-2023-3540?
No fix has been published for CVE-2023-3540 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-2023-3540 being exploited?
There is no known exploitation of CVE-2023-3540 in the wild and no public exploit code.
Sources
Also known as GHSA-f96j-3cpc-x554.