ER
active · since June 2026
HunterXSS
@err0x420
3
Labs solved
1
Flags captured
#58
Ranking
VDP
Total bounty
Monthly streak
0 consecutive months · 0/2 this month — 2 left to keep it
year 2026
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achieved (≥2)
pending
no streak
2 labs with a flag per month to keep it
achievements_unlocked
Achievements · 1/31
progress
3%
MAX★
Lifetime Supporter
1 lifetime
LOCKED
Top Ranking
Reach top 50
LOCKED
Cazador de Labs
1 / 5
LOCKED
Bounty Hunter
0 / 500
LOCKED
Insane Slayer
0 / 1
published_writeups
Writeups · 0
No writeups yet
// @err0x420 hasn't published writeups yet
Vulnerabilities mastered
top 10 categories
XSS
2
API Abuse
1
Activity
last 90 days
less
more
// track_record
Labs solved
3 labs