bug-bounty622
facebook479
xss316
google174
microsoft120
rce102
apple72
csrf60
web355
account-takeover53
writeup51
exploit43
sqli41
dos36
ssrf34
cve33
cloudflare32
privilege-escalation29
defi28
malware27
node26
smart-contract-vulnerability25
idor25
subdomain-takeover24
clickjacking23
smart-contract23
ethereum23
access-control21
react21
vulnerability-disclosure21
reverse-engineering20
auth-bypass19
aws19
remote-code-execution18
lfi18
cloud17
docker17
cors17
oauth17
supply-chain17
race-condition17
info-disclosure16
browser14
authentication-bypass14
solidity14
phishing14
denial-of-service11
sql-injection11
delegatecall11
wordpress10
0
9/10
vulnerability
A multi-stage vulnerability in GitHub's private pages authentication flow combining CRLF injection, null byte parsing bypass, and cookie prefix case-sensitivity to achieve XSS and cache poisoning on private organization pages. The attack exploited case-insensitive cookie handling to bypass __Host- prefix protections and nonce fixation to achieve unauthenticated arbitrary code execution.
xss
crlf-injection
authentication-bypass
cookie-security
cache-poisoning
github-pages
null-byte-injection
prefix-bypass
nonce-fixation
bug-bounty
private-disclosure
GitHub
HackerOne
ginkoid
$35,000 bounty
github.io
pages-auth.github.com