A team of security experts at the University of Florida working with security audit company CertiK has found that a certain class of cyberattacks could cause a smartphone to catch fire via its wireless charger. The team has posted a paper describing their research and results on the arXiv preprint server.
Perhaps worth pointing out that the attacks require the attacker to position a piece of hardware between the Qi charger and the power source.
Is that piece of hardware a bic lighter