It isn't clear whether the person worked inside the Journal and whether the informant provided names of alleged bribers.

WSJ: Bribery Allegations Surfaced Against WSJ in China

The allegations are that when he was mayor of Jerusalem and later a minister, some of the campaign funds he received from an American businessman and fundraiser, Morris Talansky, were bribes, though it is unclear what the supposed bribers got in return.

ECONOMIST: Israel and America