CYBERSECURITY
FEATURED ANALYSIS
Bypassing character blocklists with unicode overflows
SOURCE
PortSwigger Research
DATE
READ
1 min read
Unicode codepoint truncation - also called a Unicode overflow attack - happens when a server tries to store a Unicode character in a single byte. Because the maximum value of a byte is 255, an overflo
Unicode codepoint truncation - also called a Unicode overflow attack - happens when a server tries to store a Unicode character in a single byte. Because the maximum value of a byte is 255, an overflo