CVE-2026-109972— s2Member 261011 跨站脚本漏洞
一分钟漏洞结论
影响对象
clavaque s2Member – Excellent for All Kinds of Memberships, Content Restriction Paywalls & Member Access Subscriptions
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"s2Member – Excellent for All Kinds of Memberships, Content Restriction Paywalls & Member Access Subscriptions"在版本 261011 及以下（含该版本）中存在存储型跨站脚本（Stored XSS）漏洞。该漏洞源于对"date_format"参数的输入过滤不足以及输出转义缺失。具备贡献者（Contributor）及以上权限的已认证攻击者，可利用此漏洞在页面中注入任意 Web 脚本；当其
可能的 ATT&CK 技术 1 AI
T1059 · Command and Scripting Interpreter影响版本矩阵 1
| 厂商 | 产品 | 版本范围 | 状态 |
|---|---|---|---|
| clavaque | s2Member – Excellent for All Kinds of Memberships, Content Restriction Paywalls & Member Access Subscriptions | ≤ 261011 |
affected |
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一、 漏洞 CVE-2026-109972 基础信息
漏洞信息
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Vulnerability Title
s2Member <= 261011 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'date_format' Shortcode Attribute
来源: CVE Program / CVE List V5
Vulnerability Description
The s2Member – Excellent for All Kinds of Memberships, Content Restriction Paywalls & Member Access Subscriptions plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'date_format' parameter in all versions up to, and including, <= 261011 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The payload bypasses wp_kses_post() on save because it contains no literal angle brackets — only backslash-escaped sequences that PHP's date() materializes into HTML tag characters at render time after WordPress's shortcode_parse_atts() applies stripcslashes() to the attribute value.
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 |
|---|---|---|---|---|
| clavaque | s2Member – Excellent for All Kinds of Memberships, Content Restriction Paywalls & Member Access Subscriptions | 0 ~ 261011 | - |
|
二、漏洞 CVE-2026-109972 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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