Medium (6.1). EPSS 0.3% chance of exploitation in the next 30 days.
'Yahoo! JAPAN' App for Android v2.3.1 to v3.161.1 and 'Yahoo! JAPAN' App for iOS v3.2.2 to v4.109.0 contain a cross-site scripting vulnerability. If this vulnerability is exploited, an arbitrary script may be executed on the WebView of 'Yahoo! JAPAN' App via other app installed on the user's device.
Severity
CVSS 3.1
6.1 medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS
0.3% chance of exploitation in the next 30 days; higher than 24% of CVEs (scores of 2026-10-31)