Serendipity Improper Neutralization of Input During Web Page Generation (Cross-site Scripting) Vulnerability - CVE-2013-5670
Cross-site scripting (XSS) vulnerability in spell-check-savedicts.php in the htmlarea SpellChecker module as used in Serendipity before 1.7.3 and possibly other products allows remote attackers to inject arbitrary web script or HTML via the to_r_list parameter.