CVE-2023-53939 TinyWebGallery v2.5 Stored Cross-Site Scripting via Folder Name Parameter

Medium 5.1 Published 18 Dec 2025 Updated 15 Jul 2026

Authenticated attackers can inject malicious scripts via folder names, leading to arbitrary JavaScript execution when other users view gallery pages.

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-2023-53939?

CVE-2023-53939 is a medium-severity cross-site scripting vulnerability in TinyWebGallery, published on 18 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

TinyWebGallery v2.5 contains a stored cross-site scripting vulnerability that allows authenticated attackers to inject malicious scripts through the folder name parameter. Attackers can edit album folder names with script tags to execute arbitrary JavaScript when other users view the affected gallery pages.

Weakness: CWE-79

Which versions are affected by CVE-2023-53939?

It affects 1 product.

Products include Tinywebgallery Tinywebgallery.

How do I fix CVE-2023-53939?

No fix has been published for CVE-2023-53939 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-2023-53939 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-53939 exists.

Sources

Also known as GHSA-gxx9-w3xc-8xvf.