givanz Vvveb 1.0.8 Media Upload unrestricted upload

CVSS Meta Temp Score
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CTI Interest Score
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7.4$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in givanz Vvveb 1.0.8. Affected is an unknown function of the component Media Upload Handler. This manipulation causes unrestricted upload. This vulnerability is tracked as CVE-2026-6249. The attack is possible to be carried out remotely. No exploit exists. Applying a patch is the recommended action to fix this issue.

Detailsinfo

A vulnerability has been found in givanz Vvveb 1.0.8 and classified as critical. Affected by this vulnerability is some unknown processing of the component Media Upload Handler. The manipulation with an unknown input leads to a unrestricted upload vulnerability. The CWE definition for the vulnerability is CWE-434. The product allows the attacker to upload or transfer files of dangerous types that can be automatically processed within the product's environment. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Vvveb CMS 1.0.8 contains a remote code execution vulnerability in its media upload handler that allows authenticated attackers to execute arbitrary operating system commands by uploading a PHP webshell with a .phtml extension. Attackers can bypass the extension deny-list and upload malicious files to the publicly accessible media directory, then request the file over HTTP to achieve full server compromise.

The weakness was disclosed by Mohammed El Ouardani as 23ac0e8c758d80f3c4d9224763c8b2359648270e. The advisory is shared at github.com. This vulnerability is known as CVE-2026-6249 since 04/13/2026. The exploitation appears to be easy. The attack can be launched remotely. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1608.002 for this issue.

Applying the patch 23ac0e8c758d80f3c4d9224763c8b2359648270e is able to eliminate this problem. The bugfix is ready for download at github.com.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-23948). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.4

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 8.8
CNA Vector (VulnCheck): 🔒

CVSSv2info

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

Exploitinginfo

Class: Unrestricted upload
CWE: CWE-434 / CWE-284 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔒

Patch: 23ac0e8c758d80f3c4d9224763c8b2359648270e

Timelineinfo

04/13/2026 CVE reserved
04/21/2026 +8 days Advisory disclosed
04/21/2026 +0 days VulDB entry created
05/26/2026 +35 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: 23ac0e8c758d80f3c4d9224763c8b2359648270e
Researcher: Mohammed El Ouardani
Status: Confirmed

CVE: CVE-2026-6249 (🔒)
GCVE (CVE): GCVE-0-2026-6249
GCVE (VulDB): GCVE-100-358357
EUVD: 🔒

Entryinfo

Created: 04/21/2026 06:34
Updated: 05/26/2026 06:21
Changes: 04/21/2026 06:34 (79), 05/26/2026 06:21 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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