CVE-2026-2690
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 · uneditedA flaw has been found in itsourcecode Event Management System 1.0. Affected by this vulnerability is an unknown functionality of the file /admin/ajax.php?action=login of the component Admin Login. This manipulation of the argument Username causes sql injection. It is possible to initiate the attack remotely. The exploit has been published and may be used.
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 itsourcecode Event Management System 1.0 admin login at /admin/ajax.php?action=login via the Username parameter, allowing remote unauthenticated attackers to inject malicious SQL queries.
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= 1.0CVSS 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
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:N/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 the Event Management System versionInspect the application's version information, typically found in the website footer, README file, or by making a request to the main page and checking the HTTP response headers. The product may be listed as 'itsourcecode Event Management System' or 'Admerc Event Management System'.Affected if The installed version is Event Management System 1.0 (or if the version cannot be determined but the product matches)
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Verify the admin login endpoint is accessibleAttempt to access the URL /admin/ajax.php?action=login via HTTP GET or POST request. This endpoint handles the login functionality.Affected if The endpoint returns a valid HTTP response (200 or similar), indicating the vulnerable login handler is exposed and accessible
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Confirm the Username parameter is acceptedSend a POST request to /admin/ajax.php?action=login with a Username parameter (even dummy values). Check if the application processes this parameter.Affected if The application accepts and processes a Username parameter without error, indicating the login function is active
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Inspect the ajax.php source code for dynamic SQLIf code access is available, examine the file /admin/ajax.php around the login action. Look for SQL queries that concatenate or embed the Username parameter directly into the query string without using prepared statements or parameter binding.Affected if The code uses direct string concatenation or interpolation for the Username parameter in SQL queries (e.g., 'SELECT * FROM users WHERE username = ' + $username)
Your environment is affected if you are running Event Management System version 1.0, the /admin/ajax.php login endpoint is accessible, and the application uses unparameterized SQL queries for the Username field in the login function.
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 dataReplace dynamic SQL queries with parameterized queries/prepared statements for the login functionality, implement proper input validation, and apply the vendor patch when available.
- Consultation3.0 h
- Implementation6.0 h
- Testing3.0 h
- Review / QA2.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2026-2690 — 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-2026-2690 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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- Version or environment caveats, and links to real fixes
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