CVE-2026-11491: CodeAstro Human Resource Management System Notice Board Management All_notice cross site scripting
A vulnerability was identified in CodeAstro Human Resource Management System 1.0. Impacted is an unknown function of the file /notice/Allnotice of the component Notice Board Management. Such manipulation of the argument Notice Title with the input <svg onload="alert('Stored XSS Triggered by Ashik Mohamed')"> as part of POST leads to cross site scripting. It is possible to launch the attack remotely. The exploit is publicly available and might be used.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Remove
Remove
CodeAstro Human Resource Management System - Notice Board Managementfrom your environment.If the Notice Board Management component is not required, uninstall or disable it to eliminate the vulnerable functionality.
- Configuration
Disallow HTML in the Notice Title field. Strip or reject any HTML tags on input (e.g., remove <svg> and other tags) so titles are stored as plain text.
CodeAstro Human Resource Management System - Notice Board Management (All_notice) allow_html_in_notice_title = false - Configuration
Apply proper output encoding/escaping when rendering Notice Title to ensure any stored markup is displayed as text rather than executed by the browser.
CodeAstro Human Resource Management System - Notice Board Management (All_notice) output_encoding_for_notice_title = encode/escape HTML entities - Compensating control
Restrict access to the notice creation/editing POST endpoint to authenticated and authorized users only, and implement WAF/IDS rules to block or sanitize requests containing SVG tags, onload attributes, or common XSS payload patterns until a permanent fix is deployed.
- Operational
Perform a review of existing stored notices, remove or sanitize any entries containing malicious payloads (e.g., <svg onload=...>), clear any relevant caches, and audit logs to determine if the vulnerability was exploited.
Event History
Frequently Asked Questions
What is the severity of CVE-2026-11491?
The severity of CVE-2026-11491 is classified as low.
What type of vulnerability is CVE-2026-11491?
CVE-2026-11491 is identified as a cross site scripting (XSS) vulnerability.
How can a user exploit CVE-2026-11491?
A user can exploit CVE-2026-11491 by manipulating the Notice Title input with malicious scripts.
How do I fix CVE-2026-11491?
To fix CVE-2026-11491, ensure proper input validation and sanitization to prevent XSS attacks.
What software is affected by CVE-2026-11491?
CVE-2026-11491 affects version 1.0 of the CodeAstro Human Resource Management System.