PT-2026-31084 · Unknown · Matcha Sns

Published 2026-04-08 · Updated 2026-04-13 · CVE-2026-27787

Positive Technologies (AI Summary)

CVSS v3.1

5.4

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions MATCHA SNS versions prior to 1.4.0

Description A cross-site scripting issue exists. Successful exploitation could allow an attacker to execute arbitrary scripts in a user's web browser when they access the website.

Recommendations Update to version 1.4.0 or later.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2026-27787

Affected Products

Matcha Sns

References · 6

• https://nvd.nist.gov/vuln/detail/CVE-2026-27787 · Security Note
• https://oss.icz.co.jp/news/?p=1388 · Vendor Advisory
• https://twitter.com/CVEnew/status/2043561076143325298 · Twitter Post
• https://jvn.jp/en/jp/JVN33581068 · Note
• https://twitter.com/VulmonFeeds/status/2041780847724863534 · Twitter Post
• https://t.me/cveNotify/158415 · Telegram Post