2014-03-14 15:37 GMT+04:00 Zboron Lukas <lzbo...@gratex.com>:
> Hi,
> I have several custom jspx tags with dynamic attributes that worked well up
> to Tomcat 7.0.47, but they do not work properly on Tomcat 7.0.52. Same
> problems occur also when using Spring form tags (I suspect that other
> libraries would have same problem, but I didn't test them).
>
> sample (data-test[2] is dynamic attribute, onclick is static):
> <c:set var="world" value="'World'"></c:set>
> <sf:form onclick="window.alert('Hello ${world}!')"
> data-test="window.alert('Hello ${world}!')"
> data-test2="window.alert('Hello World!')"
> tomcat 7.0.47 output:
> <form onclick="window.alert('Hello 'World'!')"
> data-test="window.alert('Hello 'World'!')"
> data-test2="window.alert('Hello World!')"
> tomcat 7.0.52 output:
> <form onclick="window.alert('Hello 'World'!')"
> data-test="window.alert(&#039;Hello 'World'!&#039;)"
> data-test2="window.alert('Hello World!')"
>
> If there is EL used in dynamic attribute (data-test), non-EL part of that
> attribute is escaped twice, EL part is escaped only once. Tomcat 7.0.47
> would escape everything just once.
> Everything works as before if static attribute is used (onclick) or there is
> no EL in dynamic attribute (data-test2).
>
I prepared a reproducer and filed the following issue:
https://issues.apache.org/bugzilla/show_bug.cgi?id=56265
Best regards,
Konstantin Kolinko
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