CVE-2026-46686 Emlog Reflected Cross-Site Scripting

High 8.5 Published Updated

Attackers can inject malicious scripts into the admin user search interface, potentially compromising administrator sessions in Emlog.

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-2026-46686?

CVE-2026-46686 is a high-severity cross-site scripting vulnerability in emlog, published on 16 Jul 2026. 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. In 2.6.13 and earlier, the admin backend user search module's keyword parameter from admin/user.php is processed with addslashes but not HTML-escaped before being rendered into the value attribute in admin/views/user.php, allowing reflected cross-site scripting in an administrator's backend session. No fixed version is currently identified.

Weakness: CWE-79

Which versions are affected by CVE-2026-46686?

How do I fix CVE-2026-46686?

No fix has been published for CVE-2026-46686 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-2026-46686 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-46686 exists.

Sources

Also known as GHSA-3h87-c3m2-jpj9.

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