Unauthenticated stored XSS via unfiltered admin message
Published Nov 21, 2025 · Updated Nov 21, 2025
Stored XSS in N-Media MemberHero – Simple User Registration & Login 6.6 and earlier allows remote attackers to inject scripts via wpr_admin_msg. The unauthenticated admin-message handler accepts wpr_admin_msg without sanitizing it, stores the value, and later renders it without output escaping. No account is required; the payload runs in a visitor's browser when the affected page is opened, enabling actions within that visitor's WordPress session.
Summary
What happened
Stored XSS in N-Media MemberHero – Simple User Registration & Login 6.6 and earlier allows remote attackers to inject scripts via wpr_admin_msg. The unauthenticated admin-message handler accepts wpr_admin_msg without sanitizing it, stores the value, and later renders it without output escaping. No account is required; the payload runs in a visitor's browser when the affected page is opened, enabling actions within that visitor's WordPress session.
The record
- CVE
- CVE-2025-12160
- Published
- Nov 21, 2025
- Updated
- Nov 21, 2025
- Vendor
- N-Media
- Product
- MemberHero – Simple User Registration & Login
- Classifications
- CWE-79, T1059.007
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Nov 21, 2025CVE publishedPublication date reported by the CVE source.
- Nov 21, 2025Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=* <=6.6
What conditions does exploitation require?
What is affected?
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
No public exploit references are available in this record.
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Technologies
Your stack
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Your stack
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