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From "Jacques Le Roux (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (OFBIZ-10187) OWASP sanitizer breaks proper rendering of HTML code
Date Thu, 04 Apr 2019 14:09:00 GMT

    [ https://issues.apache.org/jira/browse/OFBIZ-10187?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16809894#comment-16809894
] 

Jacques Le Roux commented on OFBIZ-10187:
-----------------------------------------

Hi Guys,

I made a quick review and tests. As ever I got much sidetracked shaving the Yak. So I could
not make all the tests I wanted. But I thank you guys for this work. We seems to have now
something really helpful :) +1 to commit!

I'll soon create a Jira to extend this work for stuff like OFBIZ-10054 as mentioned above

> OWASP sanitizer breaks proper rendering of HTML code
> ----------------------------------------------------
>
>                 Key: OFBIZ-10187
>                 URL: https://issues.apache.org/jira/browse/OFBIZ-10187
>             Project: OFBiz
>          Issue Type: Bug
>          Components: ALL COMPONENTS
>    Affects Versions: 16.11.04
>            Reporter: Michael Brohl
>            Assignee: Michael Brohl
>            Priority: Critical
>         Attachments: OFBIZ-10187_Sanitizer.patch, OFBIZ-10187_Sanitizer_New.patch
>
>
> The current implementation of the sanitizer breaks the proper rendering of html code.
In our case, class attributes are stripped from the html content.
> Example:
> {code:java}
>             <div class="item">
>                  <img src="<@ofbizContentUrl>/webcontent/img/slider/1.jpg</@ofbizContentUrl>"
alt="" />
>                  <div class="container">
>                      <div class="slider-overlay">
>                          <h2>Lorem ipsum dolor sit amet</h2>
>                          <h3>At vero eos et accusam et justo</h3>
>                          <p>
>                              Lorem ipsum dolor sit amet, consetetur
sadipscing elitr, dolores et ea rebum. Stet clita kasd gubergren, no sea
>                              takimata sanctus est Lorem ipsum dolor
sit amet.
>                          </p>
>                          <a class="btn btn-grey" href="<@ofbizUrl>cms/~webpage_id=100</@ofbizUrl>">weitere
Informationen</a>
>                      </div>
>                  </div>
>              </div>{code}
> will be rendered to
> {code:java}
>             <div>
>                  <img src="<@ofbizContentUrl>/webcontent/img/slider/1.jpg</@ofbizContentUrl>"
alt="" />
>                  <div>
>                      <div>
>                          <h2>Lorem ipsum dolor sit amet</h2>
>                          <h3>At vero eos et accusam et justo</h3>
>                          <p>
>                              Lorem ipsum dolor sit amet, consetetur
sadipscing elitr, dolores et ea rebum. Stet clita kasd gubergren, no sea
>                              takimata sanctus est Lorem ipsum dolor
sit amet.
>                          </p>
>                          <a href="<@ofbizUrl>cms/~webpage_id=100</@ofbizUrl>">weitere
Informationen</a>
>                      </div>
>                  </div>
>              </div>{code}
> I do not see any reason to not allow class attributes in html code. There might be other
problems with these rules but this is a showstopper.



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