CVE-2023-45837
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 · uneditedUnauth. Reflected Cross-Site Scripting (XSS) vulnerability in XYDAC Ultimate Taxonomy Manager plugin <= 2.0 versions.
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 confidenceUnauthenticated reflected cross-site scripting (XSS) vulnerability in XYDAC Ultimate Taxonomy Manager WordPress plugin affecting versions 2.0 and below. The vulnerability allows attackers to inject malicious scripts through unsanitized user input that gets reflected back in HTTP responses.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.
NVD · CPE data<= 2.0CVSS 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
- None
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
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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Check if XYDAC Ultimate Taxonomy Manager is installedNavigate to WordPress admin > Plugins, or check the wp-content/plugins/ directory for a folder named xydac-ultimate-taxonomy-managerAffected if The plugin folder exists in the WordPress installation
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Determine installed plugin versionOpen the main plugin PHP file in wp-content/plugins/xydac-ultimate-taxonomy-manager/ and look for the Version header in the plugin comment block, or view the version in the WordPress Plugins admin pageAffected if The reported version is 2.0 or lower
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Identify reflected parametersReview plugin source code for $_GET, $_POST, or $_REQUEST variables that are output directly to the page without sanitization functions like esc_html(), esc_attr(), or wp_kses()Affected if User-controllable input is reflected in HTTP responses without proper encoding
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Test for XSS in HTTP responsesSubmit a test payload such as <script>alert('XSS')</script> through suspected plugin parameters and inspect if the payload appears unescaped in the responseAffected if The payload is reflected verbatim in the page output without being HTML-encoded
Environment is affected if XYDAC Ultimate Taxonomy Manager version 2.0 or below is installed AND unsanitized user input is reflected in plugin-generated responses
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 to the latest version of XYDAC Ultimate Taxonomy Manager if a patch is available, or disable the plugin until a fixed version is released. Implement proper input validation and output encoding on any user-supplied parameters.
- Consultation3.0 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 $3,408.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2023-45837 — 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-2023-45837 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