CVE-2026-116100 gougucms User Level Level.php add cross site scripting

Medium 4.8 Published Updated
Exploited in the wild
Not known
Fix
None listed

What is CVE-2026-116100?

CVE-2026-116100 is a medium-severity vulnerability in gougucms, published on 26 Oct 2026.

Official description

A vulnerability has been found in gougucms up to 4.08.18. Impacted is the function Add of the file app/admin/controller/Level.php of the component User Level Handler. The manipulation of the argument Title leads to cross site scripting. The attack is possible to be carried out remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Weakness: CWE-94, CWE-79

Which versions are affected by CVE-2026-116100?

How do I fix CVE-2026-116100?

No fix has been published for CVE-2026-116100 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-116100 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-116100 exists.

Sources

Also known as GHSA-9wwg-c5q6-j74r.

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