lemlist · Report #932557
Stored XSS at [ █████ ] in " LINKEDIN URL" Field.
Summary
Vulnerability Type: Stored Cross Site Scripting (XSS). Description: This vulnerability exists in a web application where user input is not adequately validated. Specifically, the application fails to sanitize input in the LinkedIn account link field within the 'Buddies-to-Be' section of a campaign. Reproduction Steps: The issue can be replicated by inserting a malicious JavaScript payload into the LinkedIn URL field when adding a 'Buddy-to-Be' in a campaign. The script executes when the LinkedIn icon is clicked. Impact: Execution of the malicious script could lead to unauthorized actions performed on behalf of the user or access to sensitive user data, such as cookie theft.
How it was found
The write-up for this report has not been downloaded yet, or the program disclosed it without one. Read it on HackerOne.