FYI that this is still a thing and 2 people are in the top 10 by spamming this alone. Same suggestion as above to remove points for bomb pickup and drop.
https://edgegamers.gameme.com/player_histories/events/2684279
https://edgegamers.gameme.com/player_histories/events/2683114
What is the scope of your bug report?
CS:S Dust2
Short description of the bug
Score Boosting by Exchanging Bomb
Detailed description of the bug
Passing bomb to a friend and back gives 2 points for picking up the bomb and doesn't remove it as dropping the bomb.
See example events on...