Completed by HackerAnany 08 Mar 2026

Hack the Cookie: Cookie Poisoning Attack

hackerdna

Certificate of Completion

HackerDNA Cybersecurity Labs

This is to certify that

HackerAnany

has successfully completed the

demonstrating proficiency in offensive security and ethical hacking

Certificate ID 3826403c-a0a0-4152-a936-18cf2a2bf7e0

Issue Date 08 Mar 2026

Difficulty Level Very Easy

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Lab Achievement Details

08 Mar 2026 20:57Started On

08 Mar 2026 21:36Completed On

+50 XPXP Earned

Very EasyDifficulty Level

Skills & Technologies

Cookie PoisoningSession TamperingBase64 EncodingPrivilege EscalationBrowser DevToolsClient-Side SecurityWeb Exploitation

Activity Timeline

Machine Started08 Mar 2026 20:57 Very first start of the machine
Task Success 08 Mar 2026 21:00 What is the name of the cookie set after logging in as guest?
Task Success 08 Mar 2026 21:04 What encoding is used for the cookie value?
Task Success 08 Mar 2026 21:11 In the decoded cookie JSON, what field determines the user's access level?
Task Success 08 Mar 2026 21:11 What value must the role field have to access the admin panel?
Flag Found 08 Mar 2026 21:36 User Flag +50 XP
Machine Pwned08 Mar 2026 21:36 HackerAnany successfully pwned the machine