CVE-2025-58649 in All In One SEO Pack Plugin
Summary
by MITRE • 09/22/2025
Insertion of Sensitive Information Into Sent Data vulnerability in Syed Balkhi All In One SEO Pack allows Retrieve Embedded Sensitive Data. This issue affects All In One SEO Pack: from n/a through 4.8.7.
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Analysis
by VulDB Data Team • 09/22/2025
The CVE-2025-58649 vulnerability represents a critical insertion of sensitive information into sent data flaw within the Syed Balkhi All In One SEO Pack WordPress plugin. This vulnerability falls under the CWE-200 category of Information Exposure and specifically manifests as an insertion of sensitive data into transmitted information, creating a significant security risk for WordPress websites utilizing this plugin. The issue affects versions from the initial release through 4.8.7, indicating a long-standing problem that has persisted across multiple iterations of the plugin.
The technical flaw occurs when the All In One SEO Pack plugin processes and transmits data to external services or APIs without properly sanitizing or filtering sensitive information that may be embedded within the SEO metadata. This vulnerability allows attackers to retrieve embedded sensitive data through the plugin's data transmission mechanisms, potentially exposing user credentials, API keys, database connection details, or other confidential information that should never be transmitted in plain text or unencrypted formats. The flaw operates at the data handling level where the plugin fails to implement proper data sanitization before sending information over network connections.
The operational impact of this vulnerability extends beyond simple data exposure, creating potential pathways for attackers to escalate privileges and gain unauthorized access to sensitive systems. When websites transmit sensitive data through the compromised plugin, attackers can intercept and analyze this information to construct targeted attacks against the affected systems. This vulnerability particularly impacts WordPress environments where the plugin is used for SEO optimization, as the data transmission occurs during normal plugin operations without user intervention or awareness. The risk is amplified because the vulnerability affects the entire range of plugin versions, meaning that organizations may have been exposed to this threat for extended periods without detection.
Security practitioners should consider this vulnerability in relation to the ATT&CK framework's data exposure techniques, where adversaries exploit information leaks to gather intelligence about systems and users. The vulnerability creates an opportunity for attackers to collect sensitive information through network reconnaissance and data interception activities. Mitigation strategies should focus on immediate plugin updates to versions that address the sensitive data transmission flaw, along with network monitoring to detect unauthorized data exfiltration attempts. Organizations should implement proper data sanitization measures and consider network segmentation to limit the potential impact of such vulnerabilities. Additionally, regular security audits of WordPress plugins and their data handling practices are essential to prevent similar issues from emerging in the future, as this vulnerability demonstrates the critical importance of secure data transmission practices in web applications.