AT
active · since April 2026
HunterBusiness Logic
@atx
19
Labs solved
9
Flags captured
#13
Ranking
$6,600
Total bounty
Monthly streak
0 consecutive months · 0/2 this month — 2 left to keep it
year 2026
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
achieved (≥2)
pending
no streak
2 labs with a flag per month to keep it
achievements_unlocked
Achievements · 11/31
progress
35%
ORO
Bounty Hunter
$5.6K € en bounties acumulados
BRONCE
Top Ranking
Currently top 14
BRONCE
Cazador de Labs
9 labs resueltos
BRONCE
Insane Slayer
1 labs Insane
BRONCE
Whale Hunter
4,450 € en un solo lab
published_writeups
Writeups · 0
No writeups yet
// @atx hasn't published writeups yet
Vulnerabilities mastered
top 10 categories
Business Logic
6
XSS
4
Race Condition
3
IDOR
2
Open Redirect
2
Path Traversal
1
API Abuse
1
BAC
1
CSRF
1
Auth Bypass
1
Activity
last 90 days
less
more
// track_record
Labs solved
19 labs
Hard$4,450
Business Logic Error - Payment Bypass via Client-Side Trust Abuse
Business Logic
May 2026flag
Medium$1,000
Payment Bypass via Business Logic Flaw
Business Logic
May 2026completed
Insane$600
DOM XSS via postMessage → eval (cross-origin admin pwn)
XSS
May 2026flag
Hard$500
IDOR via Predictable Checkout IDs
Business LogicIDOR
May 2026flag
Hard$50
IDOR + CORS Chain Attack
IDORBusiness Logic
May 2026flag
HardVDP
NASA - Client-Side Auth Bypass via Match & Replace
Auth BypassBAC
May 2026flag
MediumVDP
Race Condition in Vote/Review System
Race Condition
May 2026completed
MediumVDP
Race Condition in Coupon Application
Race Condition
May 2026completed
MediumVDP
Race Condition in Plan Coupon Limits
Race Condition
May 2026completed
MediumVDP
OAuth Authorization Code Theft via Open Redirect
Open Redirect
May 2026completed