CVE-2025-6301 in Notice Board System
Summary
by MITRE • 06/20/2025
A vulnerability, which was classified as problematic, has been found in PHPGurukul Notice Board System 1.0. This issue affects some unknown processing of the file /admin/manage-notices.php of the component Add Notice. The manipulation of the argument Title/Description leads to cross site scripting. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.
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Analysis
by VulDB Data Team • 06/26/2025
This vulnerability resides within the PHPGurukul Notice Board System version 1.0, specifically targeting the administrative component responsible for managing notices. The flaw manifests in the /admin/manage-notices.php file where the Add Notice functionality fails to properly sanitize user input, creating a pathway for malicious actors to inject harmful scripts. The vulnerability is classified as a cross-site scripting issue that occurs when attackers manipulate the Title and Description parameters during notice creation, allowing them to execute arbitrary JavaScript code within the context of other users' browsers. This represents a critical security weakness that undermines the integrity of the web application and potentially compromises user sessions and data confidentiality.
The technical exploitation of this vulnerability follows the established patterns of reflected cross-site scripting attacks, where malicious input is stored on the server and subsequently executed when other users view the affected content. The CWE-79 classification applies here as the system fails to properly encode or validate user-supplied data before incorporating it into dynamically generated web pages. Attackers can leverage this vulnerability by crafting specially formatted Title and Description fields that contain malicious script payloads, which then execute in the browsers of unsuspecting users who access the notice board. The remote exploitation capability means that attackers do not require physical access to the system or direct network connections to the server, making this vulnerability particularly dangerous in public-facing web applications.
The operational impact of this vulnerability extends beyond simple script execution, potentially enabling attackers to perform session hijacking, steal sensitive information, manipulate notice content, or redirect users to malicious websites. Users with administrative privileges face heightened risk as attackers could leverage this vulnerability to escalate their privileges or gain unauthorized access to the notice board system. The disclosed exploit status indicates that threat actors have already developed working methods to exploit this weakness, making the system immediately vulnerable to active attacks. This vulnerability particularly affects organizations relying on PHPGurukul Notice Board System for internal communications, as it creates persistent security risks that can compromise the entire user base. The attack vector through the Add Notice functionality means that any user with access to create notices could potentially become a conduit for malicious activity, expanding the attack surface significantly.
Mitigation strategies should focus on implementing robust input validation and output encoding mechanisms throughout the application. The most effective immediate solution involves sanitizing all user inputs, particularly those used in dynamic page generation, through proper HTML encoding and validation techniques. The application should implement Content Security Policy headers to prevent execution of unauthorized scripts and utilize parameterized queries or prepared statements to prevent injection attacks. Organizations should also consider implementing web application firewalls to detect and block malicious payloads, while conducting regular security audits of the notice board system. The ATT&CK framework's T1566 technique applies here as this vulnerability represents a phishing attack vector through malicious notice content, while T1059 covers the command and scripting interpreter aspects of the JavaScript execution. Regular patching and updates should be implemented to address this vulnerability, and access controls should be reviewed to limit notice creation privileges to trusted administrators only. Additionally, security training for users should emphasize the dangers of clicking on suspicious notice content and the importance of maintaining updated security measures.