CVE-2026-27787

State: Published
Severity: 5.1 Medium
Published: Apr 8, 2026
Updated: Apr 8, 2026
Reserved: Apr 3, 2026

Description

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.

Scores

CVSS	Score	Vector	Source
4.0	5.1 Medium	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N	jpcert
3.0	5.4 Medium	CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N	jpcert

Weaknesses

CWE-79 Cross-site scripting (XSS)

Affected Products

Product	Versions
MATCHA SNSICZ Corporation	1.3.9 and earlierAffected

References

https://oss.icz.co.jp/news/?p=1388
https://jvn.jp/en/jp/JVN33581068/

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