/usr/share/xul-ext/password-editor/content/ is in xul-ext-password-editor 2.9.6-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/xul-ext/password-editor/content/SavedPasswordEditor.jsm
/usr/share/xul-ext/password-editor/content/browserMenubarOverlay.xul
/usr/share/xul-ext/password-editor/content/contextmenuOverlay.js
/usr/share/xul-ext/password-editor/content/contextmenuOverlay.xul
/usr/share/xul-ext/password-editor/content/firstrun.jsm
/usr/share/xul-ext/password-editor/content/firstrunOverlay.xul
/usr/share/xul-ext/password-editor/content/mailMenubarOverlay.xul
/usr/share/xul-ext/password-editor/content/menubarOverlay.js
/usr/share/xul-ext/password-editor/content/prefwindow.js
/usr/share/xul-ext/password-editor/content/prefwindow.xul
/usr/share/xul-ext/password-editor/content/pwdedit.js
/usr/share/xul-ext/password-editor/content/pwdedit.xul
/usr/share/xul-ext/password-editor/content/pwdmgrOverlay-sm.js
/usr/share/xul-ext/password-editor/content/pwdmgrOverlay-sm.xul
/usr/share/xul-ext/password-editor/content/pwdmgrOverlay.js
/usr/share/xul-ext/password-editor/content/pwdmgrOverlay.xul
/usr/share/xul-ext/password-editor/content/qtextbox.xml
/usr/share/xul-ext/password-editor/content/toolbarOverlay.js
/usr/share/xul-ext/password-editor/content/toolbarOverlay.xul
/usr/share/xul-ext/password-editor/content/welcome.js
/usr/share/xul-ext/password-editor/content/welcome.xhtml
/usr/share/xul-ext/password-editor/content/welcome_sm.xhtml