CVE-2026-27787

Cross-site scripting vulnerability exists in MATCHA SNS 1.3.9 and earlier. If this vulnerability is exploited, an arbitrary script may be executed on the web browser of the user who accessed the website using the product.

CVSS v3 5.4 MEDIUM

5.4^/10

CVSS v3 : MEDIUM

Vector : AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Exploitability : 2.3 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://jvn.jp/en/jp/JVN33581068/	Third Party Advisory
https://oss.icz.co.jp/news/?p=1388	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:icz:matcha_sns:*:*:*:*:*:*:*:*

History

17 Apr 2026, 20:43

Type	Values Removed	Values Added
First Time		Icz Icz matcha Sns
CPE		cpe:2.3:a:icz:matcha_sns::::::::
References	~~() https://jvn.jp/en/jp/JVN33581068/ -~~	() https://jvn.jp/en/jp/JVN33581068/ - Third Party Advisory
References	~~() https://oss.icz.co.jp/news/?p=1388 -~~	() https://oss.icz.co.jp/news/?p=1388 - Vendor Advisory

08 Apr 2026, 06:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-04-08 06:16

Updated : 2026-04-17 20:43

NVD link : CVE-2026-27787

Mitre link : CVE-2026-27787

CVE.ORG link : CVE-2026-27787

JSON object : View

Products Affected

icz

matcha_sns

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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