CVE-2018-15596: Improper Neutralization of Input During Web Page Generation

An issue was discovered in inc/classfeedgeneration.php in MyBB 1.8.17. On the forum RSS Syndication page, one can generate a URL such as http://localhost/syndication.php?fid=&type=atom1.0&limit=15. The thread titles within title elements of the generated XML documents aren't sanitized, leading to...