CVE-2025-27277 in Add Linked Images to Gallery Plugin
Summary
by MITRE • 02/24/2025
Cross-Site Request Forgery (CSRF) vulnerability in tiefpunkt Add Linked Images To Gallery allows Cross Site Request Forgery. This issue affects Add Linked Images To Gallery: from n/a through 1.4.
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Analysis
by VulDB Data Team • 02/24/2025
The CVE-2025-27277 vulnerability represents a critical cross-site request forgery flaw within the tiefpunkt Add Linked Images To Gallery plugin for WordPress systems. This vulnerability exists in versions ranging from the initial release through version 1.4, creating a persistent security risk for affected installations. The flaw enables malicious actors to exploit the plugin's functionality to execute unauthorized actions on behalf of authenticated users without their knowledge or consent. The vulnerability stems from the plugin's insufficient validation of cross-site requests, allowing attackers to craft malicious requests that leverage the victim's authenticated session to perform unintended operations.
The technical implementation of this CSRF vulnerability involves the absence of proper anti-CSRF tokens or validation mechanisms within the plugin's request handling processes. When users navigate to compromised web pages or click on malicious links, the vulnerability allows attackers to manipulate the plugin's image gallery management functions. The flaw specifically impacts how the plugin processes requests related to adding linked images to galleries, making it possible for attackers to modify or manipulate gallery configurations, add unauthorized images, or potentially execute other malicious operations within the plugin's scope. This vulnerability operates at the application layer and requires minimal user interaction, making it particularly dangerous as users may unknowingly trigger malicious actions while browsing compromised websites.
The operational impact of this vulnerability extends beyond simple data manipulation to potentially compromise the integrity and confidentiality of user galleries and associated content. Attackers could exploit this vulnerability to inject malicious images, alter existing gallery configurations, or potentially gain unauthorized access to gallery management features. The vulnerability affects WordPress installations where the tiefpunkt Add Linked Images To Gallery plugin is installed and active, creating a significant risk for websites that rely on this functionality for content management. Given the nature of gallery plugins, the impact could include defacement of public-facing galleries, unauthorized content modification, or even potential data leakage through manipulated image references that could redirect to malicious content.
Security mitigations for this vulnerability should focus on implementing proper CSRF protection mechanisms within the plugin's codebase. The most effective approach involves incorporating unique, unpredictable tokens for each user session that must be validated before processing any gallery modification requests. This aligns with CWE-352, which specifically addresses cross-site request forgery vulnerabilities, and follows ATT&CK technique T1566.001 for initial access through spearphishing attachments. Administrators should immediately update to the latest version of the plugin once available and ensure proper input validation and output encoding are implemented. Additionally, implementing Content Security Policy headers and monitoring for unusual gallery modification patterns can provide additional layers of protection. Organizations should also consider restricting plugin functionality to trusted administrators only and implementing web application firewalls to detect and block suspicious cross-site requests. The vulnerability demonstrates the critical importance of proper session management and request validation in web applications, particularly in plugins that handle user-generated content and gallery management operations.