Inappropriate implementation in File Picker in Google Chrome prior to 139.0.7258.127 allowed a remote attacker who convinced a user to engage in specific UI gestures to leak cross-origin data via a crafted HTML page. (Chromium security severity: Medium)
https://issues.chromium.org/issues/433800617
https://chromereleases.googleblog.com/2025/08/stable-channel-update-for-desktop_12.html