Bug 17026: Fix XSS in serials/checkexpiration.pl

Bug 17026: Fix XSS in serials/checkexpiration.pl

Test plan:
Hit:
 /serials/checkexpiration.pl?title="><script>alert("XSS")</script>&date=12/02/2002
 /serials/checkexpiration.pl?issn="><script>alert("XSS")</script>&date=12/02/2002

=> Without this patch you will see the alert
=> With this patch, no more alert

Signed-off-by: Chris Cormack <chris@bigballofwax.co.nz>
Signed-off-by: Katrin Fischer <katrin.fischer.83@web.de>
Signed-off-by: Brendan Gallagher <brendan@bywatersolutions.com>
(cherry picked from commit 9d00353a92487dcde654d88206fd5458448fff1b)
Signed-off-by: Frédéric Demians <f.demians@tamil.fr>