CVE-2023-53916 Zenphoto 1.6 Stored Cross-Site Scripting via User Postal Code Field
Attackers can inject malicious scripts via the user postal code field, which execute in administrators' browsers when viewing user details.
- 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-2023-53916?
CVE-2023-53916 is a medium-severity cross-site scripting vulnerability in Zenphoto, published on 17 Dec 2025. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
Zenphoto 1.6 contains a stored cross-site scripting vulnerability in the user postal code field accessible through the admin-users.php interface. When administrators view user information imported as HTML, malicious JavaScript payloads injected into the postal code field execute in their browser context.
Weakness: CWE-79
Which versions are affected by CVE-2023-53916?
It affects 1 product.
Products include Zenphoto Zenphoto.
How do I fix CVE-2023-53916?
No fix has been published for CVE-2023-53916 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-2023-53916 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-53916 exists.
Other vulnerabilities in Zenphoto
Sources
Also known as GHSA-ghf5-82w9-mc3r.