URL encoding, officially known as percent-encoding, is a method to encode arbitrary data in a uniform resource identifier (URI) using only the US-ASCII...
18 KB (1,684 words) - 05:36, 9 July 2025
application vulnerable to Double percent-encoding attacks in which illegal characters are replaced by their double-percent-encoded form in order to bypass security...
11 KB (1,162 words) - 11:55, 12 May 2025
Base64 (redirect from Base64 (encoding scheme))
the attachment. Base64 encoding causes an overhead of 33–37% relative to the size of the original binary data (33% by the encoding itself; up to 4% more...
39 KB (3,740 words) - 19:08, 9 July 2025
Query string (section URL encoding)
to be percent-encoded in HTML forms to "%7E". The encoding of SPACE as '+' and the selection of "as-is" characters distinguishes this encoding from RFC...
15 KB (1,959 words) - 12:30, 14 July 2025
Shellcode (section Percent encoding)
JavaScript string using percent-encoding, escape sequence encoding "\uXXXX" or entity encoding. Some exploits also obfuscate the encoded shellcode string further...
25 KB (2,909 words) - 23:12, 13 February 2025
encoding is encoding of data in plain text. More precisely, it is an encoding of binary data in a sequence of printable characters. These encodings are...
22 KB (1,374 words) - 13:35, 9 March 2025
character that might otherwise not be allowed in URIs (see percent-encoding). In SQL, the percent sign is a wildcard character in "LIKE" expressions, for...
21 KB (2,046 words) - 07:36, 13 July 2025
length of the URL that they will handle without truncation or error. Percent-encoding of reserved characters in URLs and query strings can significantly...
10 KB (1,259 words) - 02:24, 14 July 2025
ISO/IEC 6937 Percent-encoding – Method of encoding characters in a URI Alt code – Input method Character encodings in HTML – Use of encoding systems for...
31 KB (3,793 words) - 16:38, 7 July 2025
Double encoding is the act of encoding data twice in a row using the same encoding scheme. It is usually used as an attack technique to bypass authorization...
14 KB (1,869 words) - 21:00, 26 June 2025
already encoded, it is converted to UTF-8, and any characters not part of the basic URL character set are escaped as hexadecimal using percent-encoding; for...
17 KB (2,359 words) - 14:41, 20 June 2025
Berners-Lee, Tim; Fielding, Roy T.; Masinter, Larry 2005, pp. 12; "2.1. Percent-Encoding" Hansen, Tony; Hardie, Ted (June 2015). Thaler, Dave (ed.). Guidelines...
38 KB (4,555 words) - 17:35, 14 June 2025
filename should be percent-encoded. Characters which are not allowed in URIs, but which are allowed in filenames, must also be percent-encoded. For example...
9 KB (1,322 words) - 16:40, 24 June 2025
Quoted-printable (redirect from Quoted printable encoding)
Quoted-Printable, or QP encoding, is a binary-to-text encoding system using printable ASCII characters (alphanumeric and the equals sign =) to transmit...
7 KB (977 words) - 11:20, 22 April 2025
Han Xin code (category Encodings)
more suitable for English text encoding or GS1 Application Identifiers data encoding. Additionally, Han Xin code can encode Unicode characters from other...
35 KB (2,966 words) - 22:05, 8 July 2025
in equivalent URIs: Converting percent-encoded triplets to uppercase. The hexadecimal digits within a percent-encoding triplet of the URI (e.g., %3a versus...
11 KB (1,324 words) - 07:35, 15 April 2025
Hexadecimal (section Base16 (transfer encoding))
letters Support for Base16 encoding is ubiquitous in modern computing. It is the basis for the W3C standard for URL percent encoding, where a character is...
68 KB (5,689 words) - 17:21, 25 May 2025
baseball B5 Championships, a 2001 fighting game tournament %B5, the percent-encoding for the letter μ B5, a paper size of the B series defined in ISO 216...
2 KB (357 words) - 14:43, 2 July 2024
entity encoding only on the five XML significant characters is not always sufficient to prevent many forms of XSS attacks, security encoding libraries...
31 KB (3,614 words) - 20:18, 14 July 2025
backslash escapes. The quoted-printable encoding uses the equals sign as an escape character. URL and URI use percent-encoding to quote characters with a special...
13 KB (1,440 words) - 08:22, 6 July 2025
specification would be for the CAN standard. The physical layer also specifies how encoding occurs over a physical signal, such as electrical voltage or a light pulse...
54 KB (5,624 words) - 01:40, 3 July 2025
UTF-8 (redirect from UTF-8 encoding)
variable-width encoding of one to four one-byte (8-bit) code units. Code points with lower numerical values, which tend to occur more frequently, are encoded using...
49 KB (5,077 words) - 12:33, 14 July 2025
be mapped to octets according to some unspecified character encoding, then percent-encoded), IRIs may additionally contain most characters from the Universal...
8 KB (849 words) - 20:32, 13 September 2024
data content of the URI is binary data, encoded in ASCII format using the Base64 scheme for binary-to-text encoding. The base64 extension is distinguished...
11 KB (1,280 words) - 09:52, 12 March 2025
Unicode (redirect from Script Encoding Initiative)
effectively disseminating such encoding in high-level coded software. Punycode, another encoding form, enables the encoding of Unicode strings into the limited...
111 KB (11,536 words) - 10:16, 8 July 2025
identifiers (URI), the use of the percent sign causes a syntax conflict, therefore it must be escaped via percent-encoding, e.g.: http://[fe80::1ff:fe23:4567:890a%25eth0]/...
61 KB (8,455 words) - 08:06, 7 July 2025
Delimiter (section Higher level encoding)
value="Qm9va1RpdGxlOk5hbmN5IGRvZXNuJ3Qgc2F5ICJIZWxsbyBXb3JsZCEiIGFueW1vcmUu" /> Or percent-encoding: <input type="hidden" name="__VIEWSTATE" value="BookTitle:Nancy%20...
22 KB (2,280 words) - 17:50, 5 July 2025
The Cork (also known as T1 or EC) encoding is a character encoding used for encoding glyphs in fonts. It is named after the city of Cork in Ireland, where...
21 KB (471 words) - 13:03, 11 June 2024
standardized, utilizing IDN. Internationalized Resource Identifier Percent-encoding Such as Arabic, Bengali, Chinese (Mandarin, simplified or traditional)...
41 KB (4,743 words) - 20:52, 13 July 2025
in Braces ({example}). The convention is for a parameter to not be Percent encoded unless it follows a Question Mark (?). http://example...
1 KB (129 words) - 18:00, 6 January 2022