tummiecookie

Junior

Online

#4 Thailand Top 3% Worldwide

1603 Total XP

8 Labs Completed 0 First Bloods 74 Streak 74 Best

+56 this week +229 this month

Activity

76 active days in the last year

Rank Progress

Junior

Next Senior

1603 / 2114 XP

Achievements

Streak Starter

Streak Master

Streak Legend

Lab Rat

PHPLFIJWT ManipulationSSH ExploitationLog InjectionPrivilege EscalationWeb SecurityLinux SecurityCookie PoisoningSession TamperingBase64 EncodingBrowser DevToolsClient-Side SecurityWeb ExploitationSecurity Through ObscurityView SourceInformation DisclosureBroken Access ControlHTMLView Source CodeSource Code AnalysisNmapNmap CommandsTelnetPort ScanningNetwork ReconnaissanceAuthentication BypassBroken AuthenticationDeveloper ToolsLearning PathCapture The FlagCTFCTF BasicsFlag SubmissionUUIDGetting StartedCyber Security Fundamentals

Include me Easy

100 XP Sep 22, 2026

Infiltrator Easy

200 XP Sep 11, 2026

Hack the Cookie: Cookie Poisoning Attack Very Easy

50 XP Aug 23, 2026

Secrets in Source 2: Bypass Security Through Obscurity Very Easy

50 XP Aug 18, 2026

Secrets in Source: View Source Code to Find the Flag Very Easy

50 XP Aug 08, 2026

Nmap Commands Lab: Port Scanning to Privilege Escalation Very Easy

100 XP Aug 08, 2026

Hack the Login Very Easy

50 XP Aug 07, 2026

Capture the Flag 101: Find and Submit Your First Flag Very Easy

50 XP Jul 24, 2026

Hacking 101 2

Vulnerabilities and exploits 1 XP Oct 09, 2026

The hacker mindset 1 XP Jul 24, 2026

Daily Hack Solved - The cookie that was an object +10 XP

2 hours ago

Lesson Completed +16 XP

1 day ago

Daily Hack Solved - The filename that runs +10 XP

2 days ago

Daily Hack Solved - The header that skips the check +10 XP

3 days ago

Daily Hack Solved - The codes the page had to know +10 XP

4 days ago

Daily Hack Solved - The word you already know +10 XP

5 days ago

Daily Hack Solved - The claim inside the claim +10 XP

5 days ago

Daily Hack Solved - The link you can write yourself +10 XP

1 week ago

Chapter Completed - Vulnerabilities and exploits +1 XP

1 week ago

Lesson Completed +11 XP

1 week ago

Daily Hack Solved - The clock behind the commits +10 XP

1 week ago

Daily Hack Solved - The second factor in the backup +10 XP

1 week ago

Daily Hack Solved - The header that says where you are +10 XP

1 week ago

Lesson Completed +5 XP

1 week ago

Daily Hack Solved - After the last byte +10 XP

1 week ago

Lesson Completed +15 XP

1 week ago

Daily Hack Solved - Every road leads there +10 XP

1 week ago

Lesson Completed +10 XP

1 week ago

Daily Hack Solved - Instructions in the wiki +10 XP

1 week ago

Lesson Completed +5 XP

2 weeks ago

Daily Hack Solved - The field that wins +10 XP

2 weeks ago

Lesson Completed +16 XP

2 weeks ago

Daily Hack Solved - Write it back +10 XP

2 weeks ago

Lesson Completed +11 XP

2 weeks ago

Daily Hack Solved - Approved by somebody else +10 XP

2 weeks ago

Lesson Completed +5 XP

2 weeks ago

Daily Hack Solved - The trigger that changed everything +10 XP

2 weeks ago

Lesson Completed +16 XP

2 weeks ago

Daily Hack Solved - Two victims, one supplier +10 XP

2 weeks ago

Lesson Completed +11 XP

2 weeks ago

Daily Hack Solved - The light that talks +10 XP

2 weeks ago

Lesson Completed +5 XP

2 weeks ago

Daily Hack Solved - One page of six +10 XP

2 weeks ago

Lesson Completed +15 XP

3 weeks ago

Daily Hack Solved - Bigger than it says +10 XP

3 weeks ago

Lesson Completed +11 XP

3 weeks ago

Daily Hack Solved - The fill that was arranged +10 XP

3 weeks ago

Lesson Completed +5 XP

3 weeks ago

Daily Hack Solved - The sender nobody owns +10 XP

3 weeks ago

Flag Found - Include me +100 XP

3 weeks ago

Lesson Completed +16 XP

3 weeks ago

Daily Hack Solved - The invite that made an owner +10 XP

3 weeks ago

Lesson Completed +11 XP

3 weeks ago

Daily Hack Solved - Who signs your token +10 XP

3 weeks ago

Lesson Completed +5 XP

3 weeks ago

Daily Hack Solved - The cert that named it +10 XP

3 weeks ago

Lesson Completed +15 XP

3 weeks ago

Daily Hack Solved - Where the link really goes +10 XP

3 weeks ago

Lesson Completed +11 XP

4 weeks ago

Daily Hack Solved - The allowlist that isn't +10 XP

4 weeks ago

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