5
votes
0answers
131 views

PHP: if charset mismatches (htmlentities UTF-8) viewed by client as ISO-8859-1 (or vice versa)

Short Question: Question: Could any security vulnerabilities arise if a server runs htmlentities as UTF-8 but the client views the results as ISO-8859-1? Assumption: No vulnerabilities exist when ...
3
votes
1answer
462 views

XSS via Unicode

Reading about XSS and its countermeasures from http://www.xssed.com/xssinfo#Avoiding_XSS_vulnerabilities , it says (in the 2nd last paragraph of the link) that: […] support for Unicode character ...
7
votes
3answers
1k views

Is there a way to bypass Django's XSS escaping with “unicode”?

Django (the Python web framework) escapes output to prevent XSS (Cross Site Scripting) attacks. It replaces ', ", <, >, & with their HTML safe versions. However this presentation on slide ...