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HieuPenguinnn

HieuPenguinnn

CVE & CTF writeups by HieuPenguinnn

41
Posts
10
CVE
31
CTF

Categories

├── CVE (10) │ ├── Broken Access Control (6) │ ├── Information Disclosure (2) │ ├── IDOR (2) │ ├── Webhook Forgery (2) │ ├── SQL Injection (1) │ ├── Payment Bypass (1) │ ├── Stored XSS (1) │ ├── Price Tampering (1) │ └── Account Takeover (1) └── CTF (31) ├── GPNCTF 2026 (8) ├── PTITCTF Quals 2026 (7) ├── TJCTF 2026 (6) ├── UMassCTF 2026 (3) ├── UTCTF 2026 (3) ├── OmniCTF 2026 (2) └── SekaiCTF 2026 (2)

Random Picks

OmniCTF2026-web/StayWild GPNCTF2026-Secure Secretpickle CVE-2026-54840 - Newsletters Unauthenticated Subscriber Management Account Takeover Độ Mixi TJCTF2026-web/free-cloud-storage

Tag: UMassCTF (3 posts)

UMassCTF2026-Brick by Brick
UMassCTF 2026

UMassCTF2026-Brick by Brick

CTF writeup - Brick by Brick (UMassCTF 2026)

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CTF Web UMassCTF
UMassCTF2026-BrOWSER BOSS FIGHT
UMassCTF 2026

UMassCTF2026-BrOWSER BOSS FIGHT

CTF writeup - BrOWSER BOSS FIGHT (UMassCTF 2026)

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CTF Web UMassCTF
UMassCTF2026-ORDER66
UMassCTF 2026

UMassCTF2026-ORDER66

CTF writeup - ORDER66 (UMassCTF 2026)

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CTF Web UMassCTF
HieuPenguinnn

HieuPenguinnn

CVE & CTF writeups by HieuPenguinnn

41
Posts
10
CVE
31
CTF

Categories

├── CVE (10) │ ├── Broken Access Control (6) │ ├── Information Disclosure (2) │ ├── IDOR (2) │ ├── Webhook Forgery (2) │ ├── SQL Injection (1) │ ├── Payment Bypass (1) │ ├── Stored XSS (1) │ ├── Price Tampering (1) │ └── Account Takeover (1) └── CTF (31) ├── GPNCTF 2026 (8) ├── PTITCTF Quals 2026 (7) ├── TJCTF 2026 (6) ├── UMassCTF 2026 (3) ├── UTCTF 2026 (3) ├── OmniCTF 2026 (2) └── SekaiCTF 2026 (2)

Random Picks

OmniCTF2026-web/Ganzir TJCTF2026-web/Vibed Intranet Part 1&2 GPNCTF2026-cookoff UTCTF2026-Break the Bank GPNCTF2026-Fancy Food Notifications
10 CVE 31 CTF writeups 41 posts
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