From NVD
Multiple cross-site scripting (XSS) vulnerabilities in index.php in MercuryBoard 1.1.1 allow remote attackers to inject arbitrary web script or HTML via the (1) s, (2) l, (3) a, (4) t, (5) to, or (6) re parameters.
From 神龙GPT (AIGC)
" MercuryBoard 1.1.1 中的多个跨站脚本(XSS)漏洞,允许远程攻击者通过(1)s,(2)l,(3)a,(4)t,(5)to或(6)re参数注入任意的网页脚本或HTML。"