Cross-site scripting (XSS) vulnerability in the "set configuration" box in the Configuration Report page (adm_config_report.php) in MantisBT 1.2.13 through 1.2.17 allows remote administrators to inject arbitrary web script or HTML via the config_option parameter, a different vulnerability than CVE-2014-8986.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.005
EPSS Ranking 66.3%