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CVE-2026-111727— Appointment Booking Calendar 1.4.05 存储型跨站脚本漏洞

一分钟漏洞结论

影响对象
codepeople Appointment Booking Calendar
利用判断
尚无明确在野利用证据,仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本;无法立即升级时,限制受影响服务暴露并加强监测。

WordPress 的"Appointment Booking Calendar"插件存在存储型跨站脚本(Stored XSS)漏洞。该漏洞影响所有 1.4.05 及更早版本,原因是输入数据未充分清理且输出时未进行转义。漏洞通过 参数触发,使得拥有“订阅者”(Subscriber)权限或更高权限的已认证攻击者,能够在页面中注入任意 Web 脚本;一旦用户访问被注入的页面,这些脚本便会执行。 利用该漏洞需要攻击者账户被指定为某个日历的“所有者”(owner)。该权限可通过插件的日历列表界面由管理员授予,且授予对象可低

CVSS 6.4 · Medium
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一、 漏洞 CVE-2026-111727 基础信息

漏洞信息

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Vulnerability Title
Appointment Booking Calendar <= 1.4.05 - Authenticated (Subscriber+) Stored Cross-Site Scripting via 'vs_text_submitbtn' Parameter
来源: CVE Program / CVE List V5
Vulnerability Description
The Appointment Booking Calendar plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'vs_text_submitbtn' parameter in all versions up to, and including, 1.4.05 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with subscriber-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This requires the attacker to be assigned as a calendar owner, a per-user grant that any administrator can extend to users as low as Subscriber level through the plugin's calendar list screen. Exploitation by attackers with subscriber-level access and above requires that an administrator has assigned the attacker's account as owner (`conwer`) of a calendar via the plugin's calendar list screen; the plugin's UI lists all registered users regardless of role, so a Subscriber can be assigned. On a default installation, where that is not configured, the vulnerability requires attackers with editor-level access and above.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
来源: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
来源: CVE Program / CVE List V5

受影响产品

厂商 产品 影响版本 CPE 订阅
codepeople Appointment Booking Calendar 0 ~ 1.4.05 -

二、漏洞 CVE-2026-111727 的公开POC

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三、漏洞 CVE-2026-111727 的情报信息

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CVE-2026-111727 其他参考 (8)

IV. Related Vulnerabilities