CVE-2024-30195 in New RoyalSlider Plugin
Summary
by MITRE • 03/27/2024
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Semenov New RoyalSlider allows Reflected XSS.This issue affects New RoyalSlider: from n/a through 3.4.2.
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Analysis
by VulDB Data Team • 04/12/2025
The vulnerability CVE-2024-30195 represents a critical cross-site scripting flaw in the Semenov New RoyalSlider plugin, classified under CWE-79 as improper neutralization of input during web page generation. This reflected cross-site scripting vulnerability occurs when the plugin fails to adequately sanitize user-supplied input before incorporating it into dynamically generated web pages. The vulnerability exists within the plugin's handling of parameters that are directly reflected back to users without proper output encoding or validation mechanisms, creating an exploitable vector for malicious actors to inject client-side scripts into web pages viewed by other users.
The technical exploitation of this vulnerability involves attackers crafting malicious payloads that leverage the plugin's parameter handling to execute arbitrary JavaScript code within the context of a victim's browser session. Since the vulnerability affects versions through 3.4.2, any installation running these versions remains at risk, with the reflected nature of the XSS meaning that attackers can deliver malicious scripts through crafted URLs or form submissions that are then reflected back to users. The impact extends beyond simple script execution as it can enable session hijacking, credential theft, and redirection to malicious sites, making this a particularly dangerous vulnerability for website administrators and their visitors.
From an operational perspective, this vulnerability poses significant risks to websites utilizing the RoyalSlider plugin, as it allows attackers to manipulate the content displayed to users without requiring authentication or privileged access. The reflected nature of the vulnerability means that exploitation typically requires social engineering to convince users to click on malicious links, but once executed, the attack can persist across multiple user sessions. The vulnerability's presence in the plugin's web page generation process means that any parameter that gets reflected back to the user could serve as an attack vector, making the scope of potential exploitation broad and potentially affecting multiple plugin functionalities that handle user input.
Organizations should prioritize immediate remediation by upgrading to the latest version of the Semenov New RoyalSlider plugin where this vulnerability has been addressed through proper input sanitization and output encoding mechanisms. Additionally, implementing comprehensive input validation at multiple layers including web application firewalls, content security policies, and regular security scanning can provide defense-in-depth measures. The vulnerability aligns with ATT&CK technique T1566.001 for initial access through spearphishing attachments and links, making it particularly concerning for organizations that rely on user interaction for exploitation. Security teams should also consider implementing automated monitoring for reflected XSS patterns and establishing incident response procedures specifically designed to handle such web-based attacks.