CVE-2026-93953— Backuply 1.5.8 二次 SQL 注入提权漏洞
一分钟漏洞结论
影响对象
softaculous Backuply – Backup, Restore, Migrate and Clone
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 插件"Backuply – Backup, Restore, Migrate and Clone"在所有 1.5.8 及以下版本中存在 SQL 注入漏洞。该漏洞源于对用户提供的参数缺乏充分转义，且对现有 SQL 查询未进行足够的预处理。具体而言，漏洞位于“个人简介”（Biographical Info）字段，属于通过恢复操作触发的二次注入。 Backuply 在生成备份的 SQL 转储文件（wp_usermeta）时，会将“个人简介”字段的值原样插入到 INSERT 语句中。当管理员后续恢复此类
影响版本矩阵 1
| 厂商 | 产品 | 版本范围 | 状态 |
|---|---|---|---|
| softaculous | Backuply – Backup, Restore, Migrate and Clone | ≤ 1.5.8 |
affected |
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一、 漏洞 CVE-2026-93953 基础信息
漏洞信息
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Vulnerability Title
Backuply <= 1.5.8 - Authenticated (Subscriber+) Second-Order SQL Injection via Restore to Privilege Escalation
来源: CVE Program / CVE List V5
Vulnerability Description
The Backuply – Backup, Restore, Migrate and Clone plugin for WordPress is vulnerable to SQL Injection via the Biographical Info field (second-order, via restore) in all versions up to, and including, 1.5.8 due to insufficient escaping on the user supplied parameter and the lack of sufficient preparation on an existing SQL query. Backuply exports the Biographical Info value verbatim inside an INSERT statement written to the backup's SQL dump (wp_usermeta). When an Administrator later restores such a backup, the crafted payload breaks out of that INSERT statement and appends attacker-controlled SQL that executes with full database privileges. This makes it possible for authenticated attackers, with subscriber-level access and above, to write arbitrary data to the database — in particular to update the default_role option in wp_options to administrator (and enable open user registration) — so that a subsequently registered account is automatically granted the Administrator role, resulting in privilege escalation and full site takeover. Because the injection executes inside an INSERT during restore with no response returned to the attacker, the primitive is used to modify database records rather than to read existing data directly.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
来源: CVE Program / CVE List V5
Vulnerability Type
SQL命令中使用的特殊元素转义处理不恰当(SQL注入)
来源: CVE Program / CVE List V5
受影响产品
| 厂商 | 产品 | 影响版本 | CPE | 订阅 |
|---|---|---|---|---|
| softaculous | Backuply – Backup, Restore, Migrate and Clone | 0 ~ 1.5.8 | - |
|
二、漏洞 CVE-2026-93953 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
AI 生成 POC
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CVE-2026-93953 补丁与修复 (1)
CVE-2026-93953 厂商页面 (1)
IV. Related Vulnerabilities
V. Comments for CVE-2026-93953
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