CVE-2026-30918 facileManager Affected by Reflected Cross-Site Scripting (XSS)

High 7.6 Published Updated

Attackers can inject malicious JavaScript via the log_search_query parameter in the fmDNS module, potentially compromising user sessions.

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-2026-30918?

CVE-2026-30918 is a high-severity cross-site scripting vulnerability in facileManager, published on 9 Mar 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

facileManager is a modular suite of web apps built with the sysadmin in mind. Prior to 6.0.4 , a reflected XSS occurs when an application receives data from an untrusted source and uses it in its HTTP responses in a way that could lead to vulnerabilities. It is possible to inject malicious JavaScript code into a URL by adding a script in a parameter. This vulnerability was found in the fmDNS module. The parameter that is vulnerable to an XSS attack is log_search_query. This vulnerability is fixed in 6.0.4.

Weakness: CWE-79

Which versions are affected by CVE-2026-30918?

It affects 1 product.

Products include Facilemanager Facilemanager.

How do I fix CVE-2026-30918?

No fix has been published for CVE-2026-30918 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-2026-30918 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-30918 exists.

Sources

Also known as GHSA-284f-mff7-744x.

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