Tried, Tested and Proven

Security Advisory 05 – 008 – Poor Password Change Implementation

Vulnerable System:

Webseries Payment Application

Vulnerability discovery and development:

Portcullis Security Testing Services

Affected Systems:

Bottomline Webseries Payment Application


The change password functionality does not require a user to enter their current password.


From a system with a valid user logged in it is a trivial matter for a malicious user to change the password of a valid user and gain full access to the account.


No exploit code required.


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