CVE-2026-93747— wpForo Forum <= 3.1.6 - Authenticated (Subscriber+) Stored Cross-Site Scripting via 'telegram' Profile Field
Quick assessment
Affected
tomdever wpForo Forum
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
WordPress 的 wpForo 论坛插件存在存储型跨站脚本攻击（Stored Cross-Site Scripting, XSS）漏洞。该漏洞出现在版本 3.1.6 及更早版本中，具体位于“telegram”个人简介字段。 漏洞成因在于：在 操作中，对输入数据的清理和输出时的转义处理不足。具体而言，原始的 数组被直接复制到 变量中，而后续的 和 函数仅对另一个平行的 引用进行操作。这导致 未经验证和清理便通过 持久化存储。 在前端渲染时， 函数会对实体编码进行反转，而 函数在输出该值时未进行适当的转义处理。因
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I. Basic Information for CVE-2026-93747
Vulnerability Information
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Vulnerability Title
wpForo Forum <= 3.1.6 - Authenticated (Subscriber+) Stored Cross-Site Scripting via 'telegram' Profile Field
Source: CVE Program / CVE List V5
Vulnerability Description
The wpForo Forum plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'telegram' profile field in versions up to, and including, 3.1.6. This is due to insufficient input sanitization and output escaping in the profile_update action — the raw $_POST['data'] array is copied into a $custom_fields variable before validate() and sanitize() run, both of which operate only on a parallel $user reference, leaving $custom_fields unsanitized when it is persisted via update_custom_fields(); on render, wpforo_decode() reverses the entity encoding and the value is echoed without escaping in field_wrap_profile(). 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.
Source: 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
Source: 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)
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| tomdever | wpForo Forum | 0 ~ 3.1.6 | - |
|
II. Public POCs for CVE-2026-93747
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Vendor Advisories for CVE-2026-93747 (1)
Other References for CVE-2026-93747 (6)
IV. Related Vulnerabilities
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