CVE-2025-48083
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedCross-Site Request Forgery (CSRF) vulnerability in andriassundskard wpNamedUsers wpnamedusers allows Stored XSS.This issue affects wpNamedUsers: from n/a through <= 0.5.
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · moderate confidenceCSRF vulnerability in wpNamedUsers WordPress plugin (version <= 0.5) enables attackers to inject malicious JavaScript through stored XSS by tricking authenticated administrators into triggering crafted requests. The attack chains CSRF to achieve persistent script injection.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Network
- Complexity
- Low
- Privileges
- None
- User interaction
- Required
- Scope
- Changed
- Confidentiality
- Low
- Integrity
- Low
- Availability
- Low
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
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Identify if wpNamedUsers plugin is installedNavigate to WordPress admin dashboard > Plugins > Installed Plugins, or inspect the /wp-content/plugins/ directory for a folder named 'wpnamedusers' or similarAffected if The wpNamedUsers plugin is present in the WordPress installation
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Determine the installed version of wpNamedUsersIn WordPress admin > Plugins > Installed Plugins, locate wpNamedUsers and read the version number from the plugin details. Alternatively, check the main plugin PHP file (e.g., wpnamedusers.php) for the 'Version' header in the plugin comment blockAffected if The version number is 0.5 or lower, or if no version is displayed (indicating an unversioned copy of the legacy plugin)
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Verify if the plugin is activeIn WordPress admin > Plugins > Installed Plugins, check the status indicator for wpNamedUsers. An active plugin will show 'Active' under the plugin nameAffected if The plugin is active and version is <= 0.5
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Inspect for suspicious user metadata or stored scriptsQuery the WordPress usermeta table for entries containing script tags, iframe tags, or on* event handlers (e.g., onload, onerror). Use phpMyAdmin or WP-CLI: wp db query "SELECT * FROM wp_usermeta WHERE meta_value LIKE '%<script%' OR meta_value LIKE '%onerror=%'"Affected if Any user meta entries contain unsanitized JavaScript or HTML tags that could indicate exploitation of the stored XSS
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Review plugin-generated database entries for malicious contentCheck the wp_options table and any custom tables created by the plugin for stored XSS payloads. Search for patterns like <script, javascript:, or encoded variations. Use WP-CLI or database access to inspect recent entriesAffected if Recent database entries contain JavaScript injection attempts or suspicious content that bypasses sanitization
A user is affected if the wpNamedUsers plugin is installed with version 0.5 or lower and is active, or if evidence of stored XSS payloads exists in the WordPress database.
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
From vendor dataUpdate wpNamedUsers to the latest version; implement anti-CSRF tokens on all plugin forms and ensure proper input sanitization and output encoding.
- Consultation2.0 h
- Implementation4.0 h
- Testing3.0 h
- Review / QA2.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $3,088.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2025-48083 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2025-48083 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
- No weaponised exploit code, or anything meant to cause harm
- No spam, self-promotion, credentials, or personal data