CVE-2026-114624— baserCMS 小部件区域 PHP 对象注入漏洞
一分钟漏洞结论
影响对象
baserproject basercms
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。
baserCMS 是一个网站开发框架。在 5.0.0 至 5.3.2（不含 5.3.2）以及 5.4.0 至 5.4.2（不含 5.4.2）的版本中，widget-area 实体仅在提交的值为数组时才对小部件（widget）进行序列化，导致通过管理端 JSON API 提交的字符串可原样存储。实体读取操作（包括前端渲染和 API 响应）在反序列化存储值时会调用 unserialize()，且未设置 allowed_classes 限制，从而接受原始序列化数据及 Base64 编码的序列化数据。 具备管理员权限的攻击
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一、 漏洞 CVE-2026-114624 基础信息
漏洞信息
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Vulnerability Title
baserCMS: PHP object injection via unguarded unserialize() in the widget-area entity
来源: CVE Program / CVE List V5
Vulnerability Description
baserCMS is a website development framework. In versions 5.0.0 before 5.3.2 and 5.4.0 before 5.4.2, the widget-area entity serializes widgets only when the submitted value is an array, allowing a string submitted through the admin JSON API to be stored unchanged. Entity reads, including front-end rendering and API responses, deserialize the stored value with unserialize() without an allowed_classes restriction, accepting both raw and base64-encoded serialized data. An administrator, or an attacker who obtains widget-write capability through a separate vulnerability such as chained XSS, can plant an object graph that subsequently triggers on unauthenticated page requests. Two demonstrated gadget chains in the default dependency set use composer/composer ProcessExecutor::startJob() with Process::fromShellCommandline(), or logiscape/mcp-sdk-php StdioTransport::connect() with StdioServerParameters, to reach proc_open() and execute commands as the web-server user. Deserialization bypasses constructor-based readonly safeguards, and the stored payload can execute repeatedly until the database row is repaired. Unauthenticated page access is a trigger after privileged payload storage, not an unauthenticated means of initially planting the payload. This issue has been patched in versions 5.3.2 and 5.4.2.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
来源: CVE Program / CVE List V5
Vulnerability Type
可信数据的反序列化
来源: CVE Program / CVE List V5
受影响产品
| 厂商 | 产品 | 影响版本 | CPE | 订阅 |
|---|---|---|---|---|
| baserproject | basercms | >= 5.0.0, < 5.3.2 | - |
|
二、漏洞 CVE-2026-114624 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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CVE-2026-114624 其他参考 (5)
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https://github.com/baserproject/basercms/releases/tag/5.4.2 x_refsource_MISC
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https://github.com/baserproject/basercms/releases/tag/5.3.2 x_refsource_MISC
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https://github.com/baserproject/basercms/security/advisories/GHSA-xf6p-r2hc-cc6w x_refsource_CONFIRM
同批安全公告 · baserproject · 2026-10-23 · 共 8 条
| CVE-2026-114621 | 8.8 HIGH | baserCMS 管理面板及 API 的 SQL 注入漏洞 |
| CVE-2026-115481 | 8.5 HIGH | baserCMS BcCustomContent 任意文件上传漏洞 |
| CVE-2026-114622 | 7.2 HIGH | baserCMS 主题文件 API 绕过编码路径遍历漏洞 |
| CVE-2026-115457 | 7.1 HIGH | baserCMS 博客评论未授权存储型 XSS 漏洞 |
| CVE-2026-114623 | 6.5 MEDIUM | baserCMS BcThemeFile 目录遍历导致文件泄露 |
| CVE-2026-115479 | 5.3 MEDIUM | baserCMS 邮件表单自动回复可指定多收件人漏洞 |
| CVE-2026-115480 | 5.3 MEDIUM | baserCMS 邮件表单绕过图片验证码漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2026-114624
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