CVE-2024-1769 in JM Twitter Cards Plugin
Summary
by MITRE • 03/05/2024
The JM Twitter Cards plugin for WordPress is vulnerable to Information Exposure in all versions up to, and including, 14 via the meta description data. This makes it possible for unauthenticated attackers to view password protected post content when viewing the page source.
If you want to get best quality of vulnerability data, you may have to visit VulDB.
Analysis
by VulDB Data Team • 04/12/2026
The JM Twitter Cards plugin for WordPress presents a critical information exposure vulnerability identified as CVE-2024-1769 affecting all versions up to and including 14. This vulnerability stems from improper handling of meta description data within the plugin's implementation, creating a security gap that allows unauthorized access to protected content. The flaw specifically manifests when attackers view page source code, enabling them to extract password protected post content that should remain inaccessible to unauthenticated users.
The technical nature of this vulnerability aligns with CWE-200, which categorizes information exposure flaws where sensitive data is unintentionally made available to unauthorized actors. The plugin fails to properly validate or sanitize the meta description data before rendering it in the page source, creating a scenario where password protected content becomes accessible through direct source code inspection. This represents a fundamental breakdown in the plugin's access control mechanisms, as it does not adequately distinguish between public and restricted content when generating meta tags for social sharing functionality.
From an operational perspective, this vulnerability poses significant risks to WordPress sites utilizing the JM Twitter Cards plugin. Attackers can exploit this weakness to gain unauthorized access to password protected posts, potentially exposing sensitive information, confidential communications, or proprietary content that was intended to be restricted to authorized users only. The impact extends beyond simple content exposure as it undermines the fundamental security model of WordPress password protection mechanisms, potentially leading to data breaches, intellectual property theft, or reputational damage for affected organizations.
The vulnerability's exploitation requires minimal technical skill, as it only necessitates viewing page source code to access the exposed content. This accessibility factor increases the attack surface significantly, as the vulnerability can be exploited by anyone with basic web browsing capabilities rather than requiring advanced penetration testing skills. Security practitioners should note that this flaw affects the plugin's rendering process for meta description data, particularly when generating Twitter card metadata for posts that have been password protected.
Mitigation strategies should prioritize immediate plugin updates to versions that address this information exposure vulnerability, as recommended by the plugin developers and security vendors. Organizations should also implement additional monitoring to detect unusual access patterns or content scraping activities that might indicate exploitation attempts. Network-level protections such as web application firewalls can help detect and block attempts to access protected content through source code inspection, though the most effective solution remains updating to patched versions. Security teams should conduct comprehensive audits of all installed WordPress plugins to identify similar vulnerabilities, as this flaw demonstrates how social sharing functionality can inadvertently create security gaps in content protection mechanisms. The vulnerability serves as a reminder of the importance of proper input validation and access control implementation in web applications, particularly when handling sensitive data within metadata generation processes.