NodeBB 1.18.0 through 4.16.5 contains an authorization bypass vulnerability that allows unauthenticated visitors to act on other accounts by supplying a uid during POST /register. Attackers can submit an empty email at the /register/complete interstitial to clear a victim's email and confirmation state and revoke all their sessions.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
None
No data leak
Integrity
Low
Partial data modification
Availability
Low
Partial disruption
CVSS Vector v4.0
Weakness Type (CWE)
References 5
https://github.com/NodeBB/NodeBB
disclosure@vulncheck.com
https://github.com/NodeBB/NodeBB/blob/c3d8dc512292a376f19e06cb93512bdff2505102/…
disclosure@vulncheck.com
https://github.com/NodeBB/NodeBB/blob/c3d8dc512292a376f19e06cb93512bdff2505102/…
disclosure@vulncheck.com
https://github.com/NodeBB/NodeBB/commit/376d14abb7fffd8ea14f3a2f96baa20ffee5cdb3
disclosure@vulncheck.com
https://www.vulncheck.com/advisories/nodebb-1.18.0-through-4.16.5-authorization…
disclosure@vulncheck.com