CVE-2026-93896: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in syammohanm WPFront Notification Bar
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.
AI Analysis
Technical Summary
CVE-2026-93896 is a reflected cross-site scripting vulnerability in the WPFront Notification Bar plugin for WordPress, affecting versions up to 3.5.1. The vulnerability arises from the debug-log output path (write_debug_logs) reflecting the unsanitized $_SERVER['REQUEST_URI'] value via vprintf() inside a <script> block emitted on wp_footer. This allows an attacker to inject arbitrary JavaScript code that executes in the context of the victim's browser if they click a malicious link.
Potential Impact
Successful exploitation can lead to partial confidentiality and integrity loss (CVSS impact: Confidentiality Low, Integrity Low, Availability None). An attacker can execute arbitrary scripts in the victim's browser, potentially leading to session hijacking, defacement, or other client-side attacks. However, exploitation requires user interaction (clicking a crafted link) and no privileges are needed to trigger the vulnerability.
Mitigation Recommendations
No official patch or fix is currently documented for this vulnerability. Users should check the vendor's advisory or plugin updates for remediation. Until a fix is available, avoid enabling debug logging features that expose request URIs or disable the plugin if possible. Additionally, users should exercise caution when clicking untrusted links that may target this vulnerability.
CVE-2026-93896: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in syammohanm WPFront Notification Bar
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.
CVSS v3.1
Score 6.1medium
Affected software
syammohanm
WPFront Notification Bar
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-93896 is a reflected cross-site scripting vulnerability in the WPFront Notification Bar plugin for WordPress, affecting versions up to 3.5.1. The vulnerability arises from the debug-log output path (write_debug_logs) reflecting the unsanitized $_SERVER['REQUEST_URI'] value via vprintf() inside a <script> block emitted on wp_footer. This allows an attacker to inject arbitrary JavaScript code that executes in the context of the victim's browser if they click a malicious link.
Potential Impact
Successful exploitation can lead to partial confidentiality and integrity loss (CVSS impact: Confidentiality Low, Integrity Low, Availability None). An attacker can execute arbitrary scripts in the victim's browser, potentially leading to session hijacking, defacement, or other client-side attacks. However, exploitation requires user interaction (clicking a crafted link) and no privileges are needed to trigger the vulnerability.
Mitigation Recommendations
No official patch or fix is currently documented for this vulnerability. Users should check the vendor's advisory or plugin updates for remediation. Until a fix is available, avoid enabling debug logging features that expose request URIs or disable the plugin if possible. Additionally, users should exercise caution when clicking untrusted links that may target this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Wordfence
- Date Reserved
- 2026-09-18T20:31:52.879Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6ac0abd7a43b0b3b89a7e7d3
Added to database: 10/03/2026, 07:16:39 UTC
Last enriched: 10/03/2026, 07:31:41 UTC
Last updated: 10/04/2026, 02:47:33 UTC
Views: 17
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