CVE-2024-7398— Concrete CMS Stored XSS Vulnerability in Calendar Event Addition Feature

Concrete CMS Stored XSS Vulnerability in Calendar Event Addition Feature

Concrete CMS versions 9 through 9.3.3 and versions below 8.5.19 are vulnerable to stored XSS in the calendar event addition feature because the calendar event name was not sanitized on output. Users or groups with permission to create event calendars can embed scripts, and users or groups with permission to modify event calendars can execute scripts. The Concrete CMS Security Team gave this vulnerability a CVSS v4 score of 4.6 with vector CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:A/VC:N/VI:N/VA:N/SC:L/SI:N/SA:N Thank you, Yusuke Uchida for reporting. CNA updated this risk rank on 20 Jan 2025 by lowering the AC based on CVSS 4.0 documentation that access privileges should not be considered for AC)

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在Web页面生成时对输入的转义处理不恰当(跨站脚本)

Concrete CMS 安全漏洞

Concrete CMS是Concrete CMS开源的一个面向团队的开源内容管理系统。 Concrete CMS 9.0.0版本至9.3.3版本和8.5.19之前版本存在安全漏洞，该漏洞源于日历事件名称在输出时未经过清理，容易受到存储型跨站脚本攻击，具有修改事件日历权限的用户可以执行脚本。

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