CVE-2025-53924 Emlog vulnerable to stored Cross-site Scripting in links functionality

Medium 6.9 Published Updated

Authenticated attackers can inject malicious scripts via the siteurl parameter in Emlog, leading to stored XSS execution when links are clicked.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2025-53924?

CVE-2025-53924 is a medium-severity cross-site scripting vulnerability in Emlog Emlog, published on 16 Jul 2025. An attacker needs administrator access to exploit it, 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 authenticated remote attackers to inject arbitrary web script or HTML via the siteurl parameter. It is possible to inject malicious code into siteurl parameter resulting in Stored XSS. When someone clicks on the link the malicious code is executed. As of time of publication, no known patched versions exist.

Weakness: CWE-79

Which versions are affected by CVE-2025-53924?

It affects 1 product.

Products include Emlog Emlog.

How do I fix CVE-2025-53924?

No fix has been published for CVE-2025-53924 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-2025-53924 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-53924 exists.

All Emlog Emlog vulnerabilities

Sources

Also known as GHSA-6rmq-5rjf-3fmx.

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