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CVE-2026-107658— BuddyForms <= 2.10.5 - Unauthenticated Stored Cross-Site Scripting via 'bf_post_type' Parameter via Post-Type Confusion

Quick assessment

Affected
themekraft BuddyForms
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 BuddyForms 插件在所有 2.10.5 及之前的版本中，由于输入清理和输出转义不足，存在通过 （以及 ）参数触发的存储型跨站脚本（Stored XSS）漏洞。该漏洞使得未经身份验证的攻击者能够在网页中注入任意 Web 脚本，一旦用户访问被注入的页面，这些脚本便会执行。 成功利用此漏洞需要满足以下两个条件： 1. 站点上至少存在一个启用了公开提交的 BuddyForms 表单（以便攻击者从该公开表单页面获取所需的 nonce）； 2. 当前激活的主题注册了可放置小部件的侧边栏（widg

CVSS 5.4 · Medium
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I. Basic Information for CVE-2026-107658

Vulnerability Information
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Vulnerability Title
BuddyForms <= 2.10.5 - Unauthenticated Stored Cross-Site Scripting via 'bf_post_type' Parameter via Post-Type Confusion
Source: CVE Program / CVE List V5
Vulnerability Description
The BuddyForms plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'bf_post_type (and buddyforms_form_content)' parameter in all versions up to, and including, 2.10.5 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. Exploitation requires that at least one BuddyForms form with public submissions enabled exists on the site (so that the required nonce can be harvested from the public form page) and that the active theme registers a widgetized sidebar, allowing the injected customize_changeset to place a malicious Custom HTML widget into the site's front end.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/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
themekraft BuddyForms 0 ~ 2.10.5 -

II. Public POCs for CVE-2026-107658

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III. Intelligence Information for CVE-2026-107658

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Other References for CVE-2026-107658 (9)

IV. Related Vulnerabilities

Same product: BuddyForms
Same vendor: themekraft
Same weakness: CWE-79