CVE-2026-3657 — CVE & Security Advisory Radar

🎯 CVE-2026-3657 HIGH 7.5 🔥 EPSS 34% 🇪🇺 EUVD

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CVE-2026-3657 | The My Sticky Bar plugin for WordPress is vulnerable to SQL injection via the `stickymenu_contact_lead_form` AJAX action in all versions up to, and including, 2.8.6. This is due to the handler using attacker-controlled POST parameter names directly as SQL column identifiers in `$wpdb->insert()`. While parameter values are sanitized with `esc_sql()` and `sanitize_text_field()`, the parameter keys are used as-is to build the column list in the INSERT statement.

The My Sticky Bar plugin for WordPress is vulnerable to SQL injection via the `stickymenu_contact_lead_form` AJAX action in all versions up to, and including, 2.8.6. This is due to the handler using attacker-controlled POST parameter names directly as SQL column identifiers in `$wpdb->insert()`. While parameter values are sanitized with `esc_sql()` and `sanitize_text_field()`, the parameter keys are used as-is to build the column list in the INSERT statement. This makes it possible for unauthenticated attackers to inject SQL via crafted parameter names, enabling blind time-based data extraction from the database.

Klassifikation & Betroffenheit:

Premio My Sticky Bar – Floating Notification Bar & Sticky Header (formerly myStickymenu) 0 ≤2.8.6

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') 🎯 High

The product constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component. Without sufficient removal or quoting of SQL syntax in user-controllable inputs, the generated SQL query can cause those inputs to be interpreted as…

🛡️ Empfohlene Mitigation: Use a vetted library or framework that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid [REF-1482]. For example, consider using persistence layers such as Hibernate or Enterprise Java Beans, which can provide significant protection against SQL injection if used proper…

Vollständige Definition bei MITRE ➔

⚔️ Typische Angriffsmuster (CAPEC):

CAPEC-7 · Blind SQL Injection (High) CAPEC-66 · SQL Injection (High) CAPEC-108 · Command Line Execution through SQL Injec… (Very High) CAPEC-109 · Object Relational Mapping Injection (High) CAPEC-110 · SQL Injection through SOAP Parameter Tam… (Very High) CAPEC-470 · Expanding Control over the Operating Sys… (Very High)

🧩 Ähnliche Schwachstellen (Hersteller/Klasse/Score-Band):

CVE-2024-11429 8.8 CVE-2024-2024 8.8 CVE-2026-27370 7.5 CVE-2024-12627 7.5 CVE-2026-73360 7.1

📚 Referenzen & Quellen:

🇪🇺 Original-Eintrag (ENISA EUVD) 🇺🇸 NVD-Eintrag

Ausnutzungs-Zeitleiste:

Reserviert 2026

Veröffentlicht 03/2026

Heute 12.09.

CVSS-Vektor-Analyse: 7.5

AV · Angriffsvektor Netzwerk

AC · Komplexität Gering

PR · Privilegien Keine

UI · Interaktion Keine

S · Scope Unverändert

C · Vertraulichkeit Hoch

I · Integrität Keine

A · Verfügbarkeit Keine

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Veröffentlicht:12.03.2026

Aktualisiert:17.06.2026 10:43

Assigner (CNA):Wordfence

EUVD-ID:EUVD-2026-11511

Quellen: 🇪🇺 EUVD-Datenbank (ENISA) + 🇺🇸 NVD-Anreicherung · 24-h-Cache

CWE-89: SQL Injection ✓ Offizieller Patch / Advisory verfügbar

💡 Gegenmaßnahme: Sicherheits-Update des Herstellers zeitnah einspielen und Netzwerksegmentierung prüfen.

Tier	2026-08-29	2026-09-12
≥90 %	4	0
≥50 %	4	0
≥10 %	3	0
<10 %	304	300

7.5 HIGH

🇪🇺 EUVD

EPSS

34%

CVE-2026-3657 🌐 Netzwerk (Remote) 🔓 Keine Authentifizierung nötig

Premio

CVE-2026-3657 | The My Sticky Bar plugin for WordPress is vulnerable to SQL injection via the `stickymenu_contact_lead_form` AJAX action in all versions up to, and including, 2.8.6. This is due to the handler using attacker-controlled POST parameter names directly as SQL column identifiers in `$wpdb->insert()`. While parameter values are sanitized with `esc_sql()` and `sanitize_text_field()`, the parameter keys are used as-is to build the column list in the INSERT statement.

CWE-89: SQL Injection ✓ Offizieller Patch / Advisory verfügbar

💡 Gegenmaßnahme: Sicherheits-Update des Herstellers zeitnah einspielen und Netzwerksegmentierung prüfen.

12.03.2026

🛡️ Details ➔

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