Introducing the URL validation bypass cheat sheet
ATT&CK techniques detected
T1027Obfuscated Files or Information
95%
“encoding : - intruder ' s percent encoding : this option encodes a payload string by replacing certain characters with one to four escape sequences that represent the utf - 8 encoding of the character. it excludes burp suite intruder ' s default characters and is enabled by defau…”
Which technique(s) should be tagged here? Pick zero or more — leaving blank just records that the original was wrong.
No matches for .
Loading techniques…
T1027Obfuscated Files or Information
40%
“numerous payloads that exploit unicode string normalization. for instance, the normalization of the following characters results in an empty string : - zerowidthspace, negativeverythinspace, negativethinspace, negativemediumspace, negativethickspace - word joiner ( u + 2060 ) ( &…”
Which technique(s) should be tagged here? Pick zero or more — leaving blank just records that the original was wrong.
No matches for .
Loading techniques…
Summary
URL validation bypasses are the root cause of numerous vulnerabilities including many instances of SSRF, CORS misconfiguration, and open redirection. These work by using ambiguous URLs to trigger URL