CVE-2025-58858 in WPB Image Widget Plugin
Summary
by MITRE • 09/05/2025
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in WPBean WPB Image Widget allows Stored XSS. This issue affects WPB Image Widget: from n/a through 1.1.
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Analysis
by VulDB Data Team • 09/05/2025
This vulnerability represents a critical cross-site scripting flaw in the WPBean WPB Image Widget plugin for WordPress systems. The issue manifests as improper neutralization of input during web page generation, creating an environment where malicious scripts can be injected and executed within the context of other users' browsers. The vulnerability specifically affects versions ranging from the initial release through version 1.1, indicating a widespread impact across multiple iterations of the plugin.
The technical implementation of this stored cross-site scripting vulnerability occurs when user input containing malicious script code is processed and stored within the plugin's database or configuration files. When subsequent web pages are generated, the malicious code is executed without proper sanitization or encoding, allowing attackers to inject persistent scripts that can compromise user sessions, steal sensitive information, or perform unauthorized actions on behalf of victims. This type of vulnerability falls under CWE-79 which specifically addresses improper neutralization of input during web page generation, making it a classic stored XSS scenario where the malicious payload is permanently stored and executed on page load.
The operational impact of this vulnerability extends beyond simple script execution, as it can enable attackers to escalate privileges, steal cookies, hijack user sessions, or even gain administrative access to affected WordPress installations. The stored nature of the vulnerability means that once the malicious payload is injected, it will persist and execute for all users who view the affected pages, potentially affecting hundreds or thousands of users depending on the scope of the compromised installation. This vulnerability directly maps to attack techniques described in the ATT&CK framework under T1531 for credential access and T1059 for command and scripting interpreter, as attackers can leverage the XSS to extract session tokens or execute malicious commands.
Mitigation strategies should focus on immediate patching of the affected plugin to version 1.2 or later, which should contain the necessary input sanitization and output encoding fixes. Administrators should implement comprehensive input validation and output encoding measures, ensuring that all user-supplied content is properly escaped before being stored or displayed. Additionally, implementing Content Security Policy headers can provide an additional layer of protection against script execution, while regular security audits of installed plugins and themes can help identify other potential vulnerabilities. The vulnerability demonstrates the critical importance of proper input validation and output encoding practices, particularly in web applications where user-generated content is processed and displayed, aligning with security best practices outlined in OWASP Top Ten and NIST cybersecurity guidelines.