bug-bounty498
google349
xss301
microsoft292
facebook262
rce211
exploit199
malware169
apple161
cve136
account-takeover115
bragging-post102
privilege-escalation95
csrf90
phishing86
browser75
writeup74
authentication-bypass69
supply-chain67
dos66
stored-xss65
reflected-xss57
ssrf56
reverse-engineering55
react52
access-control52
input-validation49
cross-site-scripting48
cloudflare47
aws47
web-security46
lfi46
docker46
sql-injection45
smart-contract45
ethereum44
web-application44
ctf43
oauth43
defi43
web343
node42
pentest39
open-source39
race-condition39
cloud37
idor37
info-disclosure36
burp-suite36
auth-bypass35
0
8/10
Technical writeup on bypassing uppercase character filters in URL-based XSS vulnerabilities using JSFuck obfuscation techniques. The authors demonstrate constructing a complete alphabet from JavaScript primitive values and achieving arbitrary code execution with jQuery's getScript to escalate a Low severity XSS to Critical by loading external malicious scripts.
xss
filter-bypass
javascript-obfuscation
jsfuck
uppercase-filter
payload-construction
bug-bounty
vulnerability-escalation
jsfuck.com
Martin Kleppe
Burp Suite
HackerOne
WordPress