CVE-2026-4816
Reflected XSS in Support Board v3.7.7 Enables Data Theft
Publication date: 2026-03-25
Last updated on: 2026-03-26
Assigner: Spanish National Cybersecurity Institute, S.A. (INCIBE)
Description
Description
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| schiocco | support_board | to 3.7.8 (exc) |
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. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a Reflected Cross Site Scripting (XSS) issue found in Support Board version 3.7.7. It occurs when an attacker sends a victim a malicious URL containing harmful JavaScript code within the 'search' parameter of the '/supportboard/include/articles.php' page. When the victim clicks this URL, the malicious script executes in their browser.
This allows the attacker to run arbitrary JavaScript code in the context of the victim's browser session.
How can this vulnerability impact me? :
The vulnerability can be exploited to steal sensitive user data such as session cookies, which can lead to account hijacking.
Additionally, an attacker could perform actions on behalf of the user without their consent, potentially leading to unauthorized operations within the affected application.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
This Reflected Cross Site Scripting (XSS) vulnerability in Support Board v3.7.7 can be exploited to steal sensitive user data, such as session cookies, or to perform actions on behalf of the user.
Such unauthorized access and potential data theft could lead to non-compliance with data protection regulations like GDPR and HIPAA, which require safeguarding personal and sensitive information against unauthorized access and breaches.