From 333eedb6eea18fdfb7bc0890cce1c30e6d44d363 Mon Sep 17 00:00:00 2001 From: wei <> Date: Fri, 6 Jan 2006 22:21:07 +0000 Subject: --- framework/IO/SafeHtml/readme.txt | 81 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 81 insertions(+) create mode 100644 framework/IO/SafeHtml/readme.txt (limited to 'framework/IO/SafeHtml/readme.txt') diff --git a/framework/IO/SafeHtml/readme.txt b/framework/IO/SafeHtml/readme.txt new file mode 100644 index 00000000..d525f92c --- /dev/null +++ b/framework/IO/SafeHtml/readme.txt @@ -0,0 +1,81 @@ +SafeHTML +-------- +Version 1.3.7. +http://pixel-apes.com/safehtml/ +-------- + +This parser strips down all potentially dangerous content within HTML: + * opening tag without its closing tag + * closing tag without its opening tag + * any of these tags: "base", "basefont", "head", "html", "body", "applet", "object", + "iframe", "frame", "frameset", "script", "layer", "ilayer", "embed", "bgsound", + "link", "meta", "style", "title", "blink", "xml" etc. + * any of these attributes: on*, data*, dynsrc + * javascript:/vbscript:/about: etc. protocols + * expression/behavior etc. in styles + * any other active content +It also tries to convert code to XHTML valid, but htmltidy is far better solution for this task. + +If you found any bugs in this parser, please inform me -- ICQ:551593 or mailto:thingol@mail.ru + +Please, subscribe to http://pixel-apes.com/safehtml/feed/rss feed in order to receive notices +when SAFEHTML will be updated. + +-- Roman Ivanov. +-- Pixel-Apes ( http://pixel-apes.com ). +-- JetStyle ( http://jetstyle.ru/ ). + + + +-------- +Version history: +-------- +1.3.7. + * Added 'dl' to the list of 'lists' tags. + * Added 'callto' to the white list of protocols. + * Added white list of "namespaced" attributes. +1.3.6. + * More accurate UTF-7 decoding. +1.3.5. + * Two serious security flaws fixed: UTF-7 XSS and CSS comments handling. +1.3.2. + * Security flaw (improper quotes handling in attributes' values) fixed. Big thanks to Nick Cleaton. +1.3.1. + * Dumb bug fixed (some closing tags were ignored). +1.3.0. + * Two holes (with decimal HTML entities and with \x00 symbol) fixed. + * Class rewritten under PEAR coding standarts. + * Class now uses unmodified HTMLSax3 from PEAR. + * To the list of table tags added: "caption", "col", "colgroup". +1.2.1. + * It was possible to create XSS with hexadecimal HTML entities. Fixed. Big thanks to Christian Stocker. +1.2.0. + * "id" and "name" attributes added to dangerous attributes list, because malefactor can broke legal javascript by spoofing ID or NAME of some element. + * New method parse() allows to do all parsing process in two lines of code. Examples also updated. + * New array, closeParagraph, contains list of block-level elements. When we open such elemet, we should close paragraph before. . It allows SafeHTML to produce more XHTML compliant code. + * Added "webcal" to white list of protocols for those who uses calendar programs (Mozilla/iCal/etc). + * Now SafeHTML strips down table elements when we are not inside table. + * Now SafeHTML correctly closes unclosed "li" tags: before opening "li" of the same nesting level. +1.1.0. + * New "dangerous" protocols: hcp, ms-help, help, disk, vnd.ms.radio, opera, res, resource, chrome, mocha, livescript. + * tag was moved from "tags for deletion" to "tags for deletion with content". + * New "dangerous" CSS instruction "include-source" (NN4 specific). + * New array, Attributes, contains list of attributes for removal. If you need to remove "id" or "name" attribute, + just add it to this array. + * Now it is possible to choose between white-list and black-list filtering of protocols. Defaults are "white-list". + This list is: "http", "https", "ftp", "telnet", "news", "nntp", "gopher", "mailto", "file". + * For speed purposes, we now filter protocols only from these attributes: src, href, action, lowsrc, dynsrc, + background, codebase. + * Opera6 XSS bug ([\xC0][\xBC]script>alert(1)[\xC0][\xBC]/script> [UTF-8] workarounded. +1.0.4. + New "dangerous" tag: plaintext. +1.0.3. + Added array of elements that can have no closing tag. +1.0.2. + Bug fix: attack. + Thanks to shmel. +1.0.1. + Bug fix: safehtml hangs on code. + Thanks to lj user=electrocat. +1.0.0. + First public release -- cgit v1.2.3