gougucms 4.08.18 User Registration Login.php reg_submit level dynamically-determined object attributes

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.7$0-$5k2.31

Summaryinfo

A vulnerability was found in gougucms 4.08.18. It has been classified as critical. This impacts the function reg_submit of the file gougucms-master\app\home\controller\Login.php of the component User Registration Handler. Performing a manipulation of the argument level results in dynamically-determined object attributes. This vulnerability is cataloged as CVE-2026-5248. It is possible to initiate the attack remotely. Furthermore, there is an exploit available. The vendor was contacted early about this disclosure but did not respond in any way.

Detailsinfo

A vulnerability classified as critical 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. The manipulation of the argument level with an unknown input leads to a dynamically-determined object attributes vulnerability. CWE is classifying the issue as CWE-915. The product receives input from an upstream component that specifies multiple attributes, properties, or fields that are to be initialized or updated in an object, but it does not properly control which attributes can be modified. This is going to have an impact on confidentiality, integrity, and availability.

The advisory is shared at thinhneee.github.io. This vulnerability is uniquely identified as CVE-2026-5248. The exploitability is told to be easy. It is possible to initiate the attack remotely. Technical details and a public exploit are known.

The exploit is shared for download at thinhneee.github.io. It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way. By approaching the search of inurl:gougucms-master\app\home\controller\Login.php it is possible to find vulnerable targets with Google Hacking.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-17747). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 5.7

VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Dynamically-determined object attributes
CWE: CWE-915 / CWE-913
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
Google Hack: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

03/31/2026 Advisory disclosed
03/31/2026 +0 days VulDB entry created
04/01/2026 +1 days VulDB entry last update

Sourcesinfo

Advisory: thinhneee.github.io
Status: Not defined

CVE: CVE-2026-5248 (🔒)
GCVE (CVE): GCVE-0-2026-5248
GCVE (VulDB): GCVE-100-354429
EUVD: 🔒
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 03/31/2026 18:06
Updated: 04/01/2026 04:57
Changes: 03/31/2026 18:06 (57), 04/01/2026 04:57 (1)
Complete: 🔍
Submitter: thinhnee
Cache ID: 216:DFF:103

Submitinfo

Accepted

  • Submit #780589: 勾股开源 gougucms v4.08.18 Business Logic Errors (by thinhnee)

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