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CVE-2026-93896— WPFront Notification Bar <= 3.5.1 - Reflected Cross-Site Scripting via REQUEST_URI

Quick assessment

Affected
syammohanm WPFront Notification Bar
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 插件 WPFront Notification Bar 在 3.5.1 及以下版本中存在反射型跨站脚本（Reflected Cross-Site Scripting, XSS）漏洞。该漏洞源于调试日志输出路径（write_debug_logs）函数直接通过 将 的原始值反射到一个在 钩子上输出的 代码块中，且未进行任何 sanitization（清理）或 escaping（转义）处理。具体而言，插件的 方法中 URL 文本显示过滤器会产生一条日志条目：“Current URL is "%s"”，

CVSS 6.1 · Medium EPSS 0.22% · P12

Affected Version Matrix 1

VendorProduct Version RangeStatus
syammohanm WPFront Notification Bar ≤ 3.5.1 affected
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I. Basic Information for CVE-2026-93896

Vulnerability Information
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Vulnerability Title
WPFront Notification Bar <= 3.5.1 - Reflected Cross-Site Scripting via REQUEST_URI
Source: CVE Program / CVE List V5
Vulnerability Description
The WPFront Notification Bar plugin for WordPress is vulnerable to Reflected Cross-Site Scripting in versions up to, and including, 3.5.1. This is due to the debug-log output path (write_debug_logs) reflecting the raw value of $_SERVER['REQUEST_URI'] through vprintf() directly inside a <script> block emitted on wp_footer, without any sanitization or escaping (see the 'Current URL is "%s"' log entry produced by the URL-text display filter in the filter() method). This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a specially crafted link.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/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
syammohanm WPFront Notification Bar 0 ~ 3.5.1 -

II. Public POCs for CVE-2026-93896

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III. Intelligence Information for CVE-2026-93896

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News Coverage for CVE-2026-93896 (1)

IV. Related Vulnerabilities

Same product: WPFront Notification Bar
Same vendor: syammohanm
Same weakness: CWE-79

V. Comments for CVE-2026-93896

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