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Your Signal messages can leak via locked screen on macOS

If you are a security-aware person, you probably use one of the secure messengers. 😏 And maybe to improve your comfort, you installed its desktop version on your mac? Sometimes we leave our computer unattended when we go to make a coffee, or we need to talk with somebody in the other room. Since we are security-aware, we always lock our screens (you do that, right?). But what if all messages sent to you will be visible on your locked mac?

FreePlane <= 1.5.9 XXE

What FreePlane is? FreePlane is an open-source application intended for creating mind maps. Vulnerability descripton: FreePlane is a Java-based app that loads its mind maps that are stored as simple XML files. The parser allowed to expand external entities that caused this vulnerability. Results: When the victim opens a maliciously crafted mind map, any accessible by Java file can be sent to the attacker. Proof of concept: Malicious mindmap: