CVE-2026-4791— PeproDev Ultimate Profile Solutions <= 8.2.36 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'button' Attribute
Quick assessment
Affected
peprodev PeproDev Ultimate Profile Solutions
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 PeproDev Ultimate Profile Solutions 插件存在存储型跨站脚本攻击（Stored XSS）漏洞，该漏洞存在于 短代码的 属性中，影响 8.2.36 及更早的所有版本。原因是插件对用户提供的属性缺乏足够的输入清理和输出转义。这使得拥有贡献者（contributor）级别及以上权限的攻击者能够在页面中注入任意 Web 脚本，当用户访问被注入的页面时，这些脚本将自动执行。
Possible ATT&CK Techniques 1 AI
T1059.007 · JavaScript
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I. Basic Information for CVE-2026-4791
Vulnerability Information
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Vulnerability Title
PeproDev Ultimate Profile Solutions <= 8.2.36 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'button' Attribute
Source: CVE Program / CVE List V5
Vulnerability Description
The PeproDev Ultimate Profile Solutions plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the `logout-url` shortcode's 'button' attribute in all versions up to, and including, 8.2.36 due to insufficient input sanitization and output escaping on user supplied attributes. 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.
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 |
|---|---|---|---|---|
| peprodev | PeproDev Ultimate Profile Solutions | 0 ~ 8.2.36 | - |
|
II. Public POCs for CVE-2026-4791
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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News Coverage for CVE-2026-4791 (1)
IV. Related Vulnerabilities
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V. Comments for CVE-2026-4791
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