CVE-2023-41621 Scanner

Emlog Pro is widely used by bloggers and content creators for managing their websites efficiently with an intuitive interface. It provides user-friendly features for posting and organizing blog content, making it popular among individual users and small enterprises alike. Emlog Pro is known for its plugin support, allowing users to extend the functionality of their websites with ease. It is often employed by users who seek a simple yet powerful solution for their content management needs. While primarily used for blogging, its flexibility allows it to serve as a base for various types of web projects. Users appreciate its open-source nature, which encourages community involvement and continual enhancement.

Cross-Site Scripting (XSS) is a security vulnerability that allows attackers to inject malicious scripts into webpages viewed by others. When exploited in Emlog Pro, this vulnerability can lead to unauthorized actions being executed in the victim's browser, which the victim may unknowingly activate. It leverages flaws in the web application that allow client-side scripts to be injected and executed by other users. This vulnerability is concerning as it impacts the integrity and confidentiality of user data, opening pathways for phishing attacks and session hijacking. XSS vulnerabilities can undermine user trust and damage the reputation of affected websites, emphasizing the need for robust security practices. In the context of Emlog Pro, this involves ensnaring unsuspecting site administrators or visitors into executing unintended actions on their account.

The XSS vulnerability in Emlog Pro v2.1.14 is specifically found via the endpoint /admin/store.php. Attackers exploit this by crafting URLs or scripts that include JavaScript, which is then executed in the context of the affected web application. The payload typically involves manipulating user inputs or URL parameters in a way that tricks browsers into executing the malicious script. This script injection process utilizes persistent, reflected, or DOM-based XSS techniques, depending on how input is handled and rendered by the application. In this case, the specific vector involves utilizing the 'onmouseover' attribute with an alert to illustrate arbitrary script execution. Such vulnerabilities necessitate vigilant input validation and proper output encoding to shield against these injection attacks effectively.

When the XSS vulnerability in Emlog Pro is exploited, attackers can execute scripts in the context of victims' browsers, leading to data theft or manipulation. This unauthorized access could allow malicious actors to steal session cookies, enabling them to impersonate legitimate users or administrators. The exploitation could also result in unwanted actions being performed on behalf of users, causing disruptions or data integrity issues. Further, attackers might use this vulnerability to spread malware by redirecting users to malicious sites or displaying fraudulent content. The reputational damage and trust erosion can be significant for websites affected by such vulnerabilities. Overall, XSS poses serious risks to web security and user privacy, underscoring the importance of stringent mitigation measures.

REFERENCES

• https://github.com/GhostBalladw/wuhaozhe-s-CVE/blob/main/CVE-2023-41621
• https://nvd.nist.gov/vuln/detail/CVE-2023-41621