Vulnerability · Published Oct 26, 2026 · Assigned by VulDB
CVE-2026-116100gougucms User Level Level.php add cross site scripting
Low 2.4
In plain English
A low-severity cross-site scripting in gougucms. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 10% of all known vulnerabilities).
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.
Affected products (as reported)
Weakness: CWE-79, CWE-94 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:C
References
- VDB-426168 | gougucms User Level Level.php add cross site scripting vdb-entry, technical-description
- VDB-426168 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- CVE-2026-116100 | CVE Analysis and Report third-party-advisory
- Submit #1002525 | GouguCMS 4.08.18 Stored Cross-Site Scripting (XSS) third-party-advisory
- https://github.com/yuhuixiaowu/cve/blob/main/gougucms_v4.08.18_XSS.md exploit