VDB-381055 · CVE-2026-50758 · GCVE-0-2026-50758

DayuanJiang next-ai-draw-io 0.4.13 MCP mcp cross site scripting

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
3.5	$0-$5k	1.15

Summaryinfo

A vulnerability has been found in DayuanJiang next-ai-draw-io 0.4.13 and classified as problematic. This issue affects some unknown processing of the component MCP. This manipulation of the argument mcp causes cross site scripting. This vulnerability is registered as CVE-2026-50758. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability has been found in DayuanJiang next-ai-draw-io 0.4.13 and classified as problematic. Affected by this vulnerability is an unknown part of the component MCP. The manipulation of the argument mcp with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect integrity. The summary by CVE is:

Cross Site Scripting vulnerability in DayuanJiang next-ai-draw-io 0.4.13 allows a remote attacker to execute arbitrary code via the mcp parameter

It is possible to read the advisory at github.com. This vulnerability is known as CVE-2026-50758 since 06/07/2026. The exploitation appears to be easy. The attack can be launched remotely. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

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

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Artificial Intelligence Software

Vendor

DayuanJiang

Name

next-ai-draw-io

Version

0.4.13

Website

Product: https://github.com/DayuanJiang/next-ai-draw-io/

CPE 2.3info

🔒

CPE 2.2info

🔒

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.5

VulDB Base Score: 3.5
VulDB Temp Score: 3.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
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Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

06/07/2026 CVE reserved
07/21/2026 +44 days Advisory disclosed
07/21/2026 +0 days VulDB entry created
07/21/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Not defined

CVE: CVE-2026-50758 (🔒)
GCVE (CVE): GCVE-0-2026-50758
GCVE (VulDB): GCVE-100-381055

Entryinfo

Created: 07/21/2026 22:36
Changes: 07/21/2026 22:36 (54)
Complete: 🔍
Cache ID: 216::103