CVE-2025-53923 Emlog vulnerable to reflected Cross-site Scripting in admin panel

High 8.2 Published 16 Jul 2025 Updated 22 Jul 2025

Attackers can inject malicious scripts via the keyword parameter in the admin panel, potentially executing code in an administrator's browser.

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-2025-53923?

CVE-2025-53923 is a high-severity cross-site scripting vulnerability in Emlog Emlog, published on 16 Jul 2025. 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

Emlog is an open source website building system. A cross-site scripting (XSS) vulnerability in emlog up to and including pro-2.5.17 allows remote attackers to inject arbitrary web script or HTML via the keyword parameter. Due to lack of sanitization it is possible to inject HTML/JS code into keyword parameter. If one persuades an user into clicking into prepared link it is possible to execute any JS code in admin's browser. As of time of publication, no known patched versions exist.

Weakness: CWE-79

Which versions are affected by CVE-2025-53923?

It affects 1 product.

Products include Emlog Emlog.

How do I fix CVE-2025-53923?

No fix has been published for CVE-2025-53923 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-2025-53923 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-53923 exists.

All Emlog Emlog vulnerabilities

Sources

Also known as GHSA-vvx2-m94x-f54m.