CVE-2026-27787

5.1 mediumEPSS 0.2%

Medium (5.1) in icz matcha sns. EPSS 0.2% chance of exploitation in the next 30 days.

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.

Severity

CVSS 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

CVSS 3.0

5.4 medium

CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 4% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2026-04-08
Modified: 2026-07-25
Record from: the NVD, synced 2026-10-19

Affected

icz:matcha_sns

References

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

Check your stack JSON