Vulnerability · Published Apr 1, 2026 · Assigned by VulDB

CVE-2026-5248gougucms User Registration Login.php reg_submit dynamically-determined object attributes

Medium 6.3

In plain English

A medium-severity security flaw 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 16% of all known vulnerabilities).

Severity (CVSS 3.1)6.3Medium

Exploit odds (30 days)0.2%top 84.1% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

A vulnerability has been found in gougucms 4.08.18. This affects the function reg_submit of the file gougucms-master\app\home\controller\Login.php of the component User Registration Handler. Such manipulation of the argument level leads to dynamically-determined object attributes. The attack may be performed from remote. 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)

Vendor	Product	Versions
n/a	gougucms	4.08.18

Weakness: CWE-915, CWE-913 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

References

VDB-354429 | gougucms User Registration Login.php reg_submit dynamically-determined object attributes vdb-entry, technical-description
VDB-354429 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
Submit #780589 | 勾股开源 gougucms v4.08.18 Business Logic Errors third-party-advisory
https://thinhneee.github.io/posts/gougu-mass-assign/ exploit