CVE-2024-30438 in Print Page Block Plugin
Summary
by MITRE • 03/29/2024
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in bPlugins Print Page block allows Stored XSS.This issue affects Print Page block: from n/a through 1.0.8.
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Analysis
by VulDB Data Team • 04/10/2025
The CVE-2024-30438 vulnerability represents a critical cross-site scripting weakness in the bPlugins Print Page block plugin, specifically impacting versions ranging from the initial release through 1.0.8. This flaw resides within the web page generation process where input validation and sanitization mechanisms fail to properly neutralize potentially malicious user-supplied data. The vulnerability manifests as a stored XSS attack vector, meaning that malicious scripts can be permanently stored on the target server and subsequently executed whenever affected pages are accessed by unsuspecting users. This classification aligns with CWE-79 which defines improper neutralization of input during web page generation as a fundamental weakness in web application security. The attack surface is particularly concerning as it allows threat actors to inject malicious code that persists across multiple user sessions and page views.
The technical implementation of this vulnerability stems from inadequate input sanitization within the plugin's content handling routines. When users submit data through forms or other interactive elements within the print page block functionality, the application fails to properly escape or filter special characters that could be interpreted as executable script code. This allows attackers to embed malicious javascript payloads within the stored content, which then executes in the context of other users' browsers when they view the affected pages. The stored nature of this vulnerability means that the malicious code remains persistent on the server, making it particularly dangerous for environments where multiple users interact with the same content. This weakness directly maps to ATT&CK technique T1566.001 which describes social engineering via spearphishing attachments, as attackers can craft malicious payloads that remain embedded within legitimate-looking content.
The operational impact of this vulnerability extends beyond simple script execution, creating potential pathways for more sophisticated attacks including session hijacking, credential theft, and data exfiltration. An attacker who successfully exploits this vulnerability can execute arbitrary code within the victim's browser context, potentially gaining access to sensitive information, modifying content, or redirecting users to malicious sites. The persistence of stored XSS makes this vulnerability particularly dangerous for content management systems where administrators and regular users frequently interact with user-generated content. Organizations running affected versions of the bPlugins Print Page block are at risk of having their web applications compromised, potentially leading to full system compromise if the attackers can escalate privileges or leverage the stolen sessions. The vulnerability affects not only the immediate user experience but also undermines the overall security posture of websites relying on this plugin, as it creates a persistent backdoor for malicious actors. Mitigation efforts should focus on immediate patching to version 1.0.9 or later, along with implementing additional security measures such as content security policies and input validation at multiple layers of the application architecture to prevent similar vulnerabilities from emerging in other components of the web application stack.