Code RoomWeak token randomness
MediumPrep Room Coding #2391

Weak token randomness

Code reviewSecurityMid–Senior~18 min

Review this JS code generating a session token.

What a strong answer looks like

Separate real bugs from style. Rank issues by severity, point at the root cause rather than the symptom, and suggest a concrete fix, specific and kind.

0:00 of about 18 min
Mark a line and say what kind of problem it is.0 findings
1function makeToken() {
2 return Math.random().toString(36).substring(2);
3}
Which questions mattered is sealed until you submit. Telling you now would just be handing over the edge cases.