CVE-2025-9493: Admin Menu Editor Plugin — Stored Cross-Site Scripting Vulnerability

Product: Admin Menu Editor WordPress plugin (by whiteshadow)
Vulnerable Versions: Up to and including 1.14
Issue: Stored Cross-Site Scripting (XSS) via the placeholder parameter (CWE-79)
Attackers: Authenticated users with Author-level access or higher can inject malicious scripts that execute whenever another user views the affected page NVD.

CVSS v3.1 Score: 6.4 (Medium) — Vector: AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N NVD OpenCVE.
Scope Change: Yes — an attacker can compromise other users’ sessions or steal data.
Impact: Results in compromised confidentiality and integrity of the WordPress admin interface.
No public exploit reported yet, but vulnerability is confirmed NVD OffSeq Threat Radar.

Recommended Mitigation Steps

Update the Plugin Immediately
If a patched version (e.g., >1.14) is available, upgrade. If not, disable the plugin temporarily.
Restrict Privileged Roles
Limit Author-level or higher permissions to trusted users only. Remove or audit unnecessary elevated accounts.
Enable Security Headers
Implement Content Security Policy (CSP) headers to restrict script execution.
Use a Web Application Firewall (WAF)
Block suspicious input targeting the placeholder parameter.
Audit and Sanitize Content
Manually review existing placeholders and sanitize or remove any suspicious entries.

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Playbooks & Consulting: Step-by-step incident response frameworks to guide your security team

Item	Description
Vulnerability	Stored XSS via `placeholder` (PR:L, no UI)
Score	6.4 (Medium)
Impact	Admin pages can execute arbitrary scripts
Fix	Update plugin or disable temporarily
Mitigations	Restrict roles, use WAF, sanitize inputs

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