CVE-2026-1421
BaseFortify
Publication date: 2026-01-26
Last updated on: 2026-04-29
Assigner: VulDB
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| fabian | online_examination_system | 1.0 |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-79 | The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. |
| CWE-94 | The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
CVE-2026-1421 is a stored cross-site scripting (XSS) vulnerability in version 1.0 of the code-projects Online Examination System, specifically affecting multiple 'add' pages within the 'Add Pages' component. The system fails to properly neutralize user-controllable input before embedding it into web pages, allowing remote attackers to inject malicious scripts that execute when other users view the affected pages. Exploitation requires some user interaction and can be done remotely without local access. This vulnerability compromises data integrity and is classified as CWE-79. [1, 3]
How can this vulnerability impact me? :
This vulnerability can allow remote attackers to execute malicious scripts in the context of the affected web application, potentially leading to unauthorized actions performed on behalf of users, manipulation of displayed content, or theft of sensitive information such as session tokens. Since the XSS is stored, the malicious code persists and affects multiple users who access the compromised pages. This can undermine user trust, lead to data integrity issues, and facilitate further attacks. [1, 3]
How can this vulnerability be detected on my network or system? Can you suggest some commands?
This vulnerability can be detected by testing the input fields on the affected 'add' pages (/onexam/add_visitor.php, /onexam/add_offering.php, /onexam/add_teen.php, /onexam/admin_user.php) for stored cross-site scripting (XSS) by injecting typical XSS payloads such as <script>alert(1)</script> and observing if the script executes when the data is viewed. Since the vulnerability involves stored XSS, monitoring HTTP requests and responses for suspicious script tags in input fields and stored data can help detect exploitation attempts. Specific commands are not provided in the resources, but using tools like curl or Burp Suite to send crafted POST requests with XSS payloads to these endpoints can be effective. [3, 1]
What immediate steps should I take to mitigate this vulnerability?
No known countermeasures or mitigations have been identified for this vulnerability. The suggested immediate step is to replace the affected product with an alternative that is not vulnerable. Additionally, restricting user input or applying input validation and output encoding could help, but no official fixes or patches are available as per the provided resources. [1]