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CHANGELOG.md

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unreleased

Breaking Changes

  • Decode HTML characters automatically that would result in an XSS vulnerability when rendering links via a server rendered HTML file
// decodes to javacript:alert('XSS')
const vulnerableUrl =
  "&#0000106&#0000097&#0000118&#0000097&#0000115&#0000099&#0000114&#0000105&#0000112&#0000116&#0000058&#0000097&#0000108&#0000101&#0000114&#0000116&#0000040&#0000039&#0000088&#0000083&#0000083&#0000039&#0000041";

sanitizeUrl(vulnerableUrl); // 'about:blank'

const okUrl = "https://example.com/" + vulnerableUrl;

// since the javascript bit is in the path instead of the protocol
// this is successfully sanitized
sanitizeUrl(okUrl); // 'https://example.com/javascript:alert('XSS');

5.0.2

  • Fix issue where certain invisible white space characters were not being sanitized (#35)

5.0.1

  • Fix issue where certain safe characters were being filtered out (#31 thanks @akirchmyer)

5.0.0

Breaking Changes

  • Sanitize vbscript urls (thanks @vicnicius)

4.1.1

  • Fixup path to type declaration (closes #25)

4.1.0

  • Add typescript types

CHANGELOG

4.0.1

  • Fix issue where urls with accented characters were incorrectly sanitized

4.0.0

Breaking Changes

  • Protocol-less urls (ie: www.example.com) will be sanitised and passed on instead of sending out about:blank (Thanks @chawes13 #18)

3.1.0

  • Trim whitespace from urls

3.0.0

breaking changes

  • Replace blank strings with about:blank
  • Replace null values with about:blank

2.1.0

  • Allow relative urls to be sanitized

2.0.2

  • Sanitize malicious URLs that begin with \s

2.0.1

  • Sanitize malicious URLs that begin with %20

2.0.0

  • sanitize data: urls

1.0.0

  • sanitize javascript: urls