CVE-2026-11453: Tiobon Employee Self-Service System Login Endpoint BlogSearch.aspx sql injection
A vulnerability was found in Tiobon Employee Self-Service System up to 7.2. Affected by this vulnerability is an unknown functionality of the file /Blog/BlogSearch.aspx of the component Login Endpoint. The manipulation of the argument Keyword results in sql injection. The attack can be launched remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Remove
Remove
Tiobon Employee Self-Service System - Blog modulefrom your environment.If the blog/search functionality is not required, uninstall or remove the Blog module (including /Blog/BlogSearch.aspx) to eliminate the vulnerable code path.
- Configuration
Disable or block access to the /Blog/BlogSearch.aspx endpoint (BlogSearch) until a vendor patch or code fix is applied.
Tiobon Employee Self-Service System - /Blog/BlogSearch.aspx (Login Endpoint) endpoint_enabled = false - Configuration
Modify the BlogSearch.aspx handling of the 'Keyword' parameter to prevent SQL injection: implement strict input validation and use parameterized queries or stored procedures instead of concatenating SQL.
Tiobon Employee Self-Service System - /Blog/BlogSearch.aspx (Login Endpoint) Keyword parameter input handling = sanitize/parameterize - Compensating control
Deploy WAF rules or web server access controls to block or rate-limit requests to /Blog/BlogSearch.aspx and to detect/block SQL injection payloads; restrict access to the endpoint to trusted IPs where feasible.
- Operational
Monitor web and application logs for exploitation attempts targeting /Blog/BlogSearch.aspx and the 'Keyword' parameter; if compromise is suspected, perform incident response steps including forensic investigation, rotate potentially exposed credentials, and restore affected services from known-good backups.
Event History
Frequently Asked Questions
What is CVE-2026-11453?
CVE-2026-11453 is a SQL injection vulnerability found in the BlogSearch.aspx endpoint of Tiobon Employee Self-Service System up to version 7.2.
What is the severity of CVE-2026-11453?
The severity of CVE-2026-11453 is rated as medium with a CVSS score of 6.3.
How do I fix CVE-2026-11453?
To fix CVE-2026-11453, it's recommended to upgrade the Tiobon Employee Self-Service System to the latest version that has addressed this vulnerability.
What can attackers do with CVE-2026-11453?
Attackers can exploit CVE-2026-11453 to manipulate the Keyword argument in BlogSearch.aspx, potentially allowing them to execute SQL injection attacks.
How can I determine if my system is affected by CVE-2026-11453?
If you are using Tiobon Employee Self-Service System version 7.2 or earlier, your system may be vulnerable to CVE-2026-11453.