CVE-2018-10752 in Tagregator Plugin
Summary
by MITRE
The Tagregator plugin 0.6 for WordPress has stored XSS via the title field in an Add New action.
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Analysis
by VulDB Data Team • 08/26/2025
The Tagregator plugin version 0.6 for WordPress contains a stored cross-site scripting vulnerability that arises from inadequate input validation and output escaping mechanisms within the plugin's administrative interface. This vulnerability specifically affects the title field during the Add New action, allowing authenticated attackers with sufficient privileges to inject malicious script code that gets permanently stored within the WordPress database. The flaw exists because the plugin fails to properly sanitize user input before storing it in the database, and subsequently fails to adequately escape the stored content when rendering it back to users in the administrative dashboard.
The technical implementation of this vulnerability stems from a lack of proper input sanitization routines within the plugin's data handling processes. When administrators or users with appropriate permissions create new tag entries through the Add New interface, the title field accepts raw input without sufficient validation or filtering. The stored XSS vulnerability is categorized under CWE-79 as improper neutralization of input during web output, specifically manifesting in the administrative context where the stored malicious content can be executed in the browser of any user who views the affected entries. This represents a critical security flaw as it allows attackers to execute arbitrary JavaScript code within the context of the victim's browser session, potentially leading to session hijacking, privilege escalation, or data exfiltration.
The operational impact of this vulnerability extends beyond simple script injection, as it can enable attackers to perform various malicious activities within the compromised WordPress environment. An attacker could craft malicious payloads that steal administrator cookies, redirect users to phishing sites, or inject additional malicious code into the WordPress administration interface. The stored nature of the vulnerability means that the malicious scripts persist indefinitely until manually removed by administrators, creating a long-term security risk. This vulnerability is particularly dangerous in multi-user WordPress environments where administrators may inadvertently view maliciously crafted titles, leading to widespread exploitation across the organization. The attack vector aligns with ATT&CK technique T1059.001 for command and control through scripting and T1078.004 for valid accounts, as it leverages legitimate administrative privileges to execute malicious code.
Mitigation strategies for this vulnerability should include immediate patching of the Tagregator plugin to version 0.7 or later, which contains the necessary input sanitization and output escaping fixes. Administrators should also implement additional security measures such as regular security audits of installed plugins, monitoring of administrative interfaces for suspicious activity, and implementation of Content Security Policy headers to limit the execution of unauthorized scripts. The WordPress security team recommends that all users immediately update their plugins to versions that have addressed this vulnerability, as the stored XSS nature makes it particularly dangerous for prolonged periods. Additionally, network administrators should monitor for unusual patterns in plugin usage and implement proper access controls to limit who can add or modify content within the WordPress environment, thereby reducing the attack surface for this type of vulnerability.