CVE-2023-34210
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 · uneditedSQL Injection in create customer group function in EasyUse MailHunter Ultimate 2023 and earlier allow remote authenticated users to execute arbitrary SQL commands via the ctl00$ContentPlaceHolder1$txtCustSQL parameter.
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 · high confidenceSQL injection vulnerability in EasyUse MailHunter Ultimate 2023's customer group creation function. The txtCustSQL parameter (ctl00$ContentPlaceHolder1$txtCustSQL) does not properly sanitize user input, allowing authenticated remote attackers to inject arbitrary SQL commands.
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<= 2023CVSS 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
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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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Confirm EasyUse MailHunter Ultimate installationCheck for the application in your web server's installed programs or application directory. Look for 'MailHunter' or 'EasyUse' in installed software or IIS/application pool settings.Affected if The application is not installed or is a version newer than 2023 (the vulnerability affects version 2023 and below).
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Identify installed versionLocate the application binary or assembly file (typically a .dll or .exe in the web root or installation directory) and check its version property, or check the 'Add/Remove Programs' entry for MailHunter Ultimate.Affected if The version is 2023 or any version number lower than 2023 (e.g., 2022, 2021).
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Verify web interface is accessibleAttempt to access the web application URL (typically at / or the path where MailHunter is hosted). Confirm the login page or application loads.Affected if The web interface is publicly or internally accessible over HTTP/HTTPS.
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Check for authenticated user accessReview application user accounts or authentication settings to determine if non-admin or low-privilege users can access the customer group creation function (typically under a 'Customers' or 'Groups' menu).Affected if There are user accounts with access to the customer group creation feature, particularly if they are low-privilege or external users.
You are affected if EasyUse MailHunter Ultimate version 2023 or earlier is installed, the web interface is accessible, and user accounts (especially non-admin) can access the customer group creation function where the txtCustSQL parameter accepts input.
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 dataImplement parameterized queries or prepared statements for all database operations involving user input. Apply input validation and enforce least-privilege database accounts. Contact vendor for official patch.
- Consultation2.0 h
- Implementation4.0 h
- Testing2.0 h
- Review / QA1.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2023-34210 — 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-2023-34210 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
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