CVE-2025-15697 in Dictionary Plugin
Summary
by MITRE • 09/17/2026
The Dictionary WordPress plugin through 1.0 does not escape user input before reflecting it back in the responses of several directly accessible scripts, allowing unauthenticated attackers to perform Reflected Cross-Site Scripting attacks against anyone they can induce to submit a crafted request.
If you want to get best quality of vulnerability data, you may have to visit VulDB.
Analysis
by VulDB Data Team • 09/17/2026
The vulnerability identified in the Dictionary WordPress plugin version 1.0 and potentially earlier versions represents a classic instance of reflected cross-site scripting resulting from insufficient input validation and output encoding. This security flaw stems directly from the application's failure to properly sanitize user-supplied data before it is immediately echoed back within HTTP responses generated by several accessible PHP scripts. Because these endpoints do not implement adequate filtering mechanisms, malicious actors can inject arbitrary client-side script code into web pages viewed by other users. The core technical deficiency lies in the lack of context-aware encoding when rendering dynamic content derived from request parameters such as query strings or POST data. When a victim interacts with a crafted URL containing embedded JavaScript payloads, the browser interprets these scripts as legitimate parts of the page rather than external input, thereby executing them within the security context of the vulnerable website.
From an operational perspective, this vulnerability allows unauthenticated attackers to execute arbitrary commands in the context of the affected web application without requiring any form of authentication or prior access privileges. The impact extends beyond simple defacement as it enables session hijacking through theft of administrative cookies, credential harvesting via fake login forms injected into the page content, and keylogging capabilities that capture sensitive user input. Attackers can also leverage this flaw to perform actions on behalf of authenticated users if they are tricked into visiting a maliciously crafted link while logged in. This significantly compromises the confidentiality and integrity of data processed by the WordPress site, potentially leading to full system compromise when combined with other vulnerabilities or social engineering tactics targeting administrators who possess elevated privileges within the platform ecosystem.
This specific flaw aligns closely with Common Weakness Enumeration identifier CWE-79 which categorizes improper neutralization of input during web page generation as a primary cause for cross-site scripting attacks. Furthermore, in terms of tactical classification under the MITRE ATT&CK framework, this vulnerability facilitates techniques associated with Client-side Injection and potentially Credential Access through phishing or drive-by download mechanisms depending on how the payload is delivered. The absence of robust output encoding means that standard security headers alone are insufficient to mitigate the risk entirely since modern browsers may still execute scripts if content type detection fails or if specific bypass vectors exist within the browser's rendering engine.
To effectively remediate this vulnerability, developers must implement strict input validation and comprehensive output encoding for all user-supplied data before it is rendered in HTML contexts. Utilizing established libraries that handle context-specific escaping such as HTML entity encoding for body content and JavaScript string escaping for inline scripts can prevent script execution. Additionally implementing Content Security Policy headers provides an additional layer of defense by restricting the sources from which scripts can be loaded or executed, thereby mitigating the impact even if a bypass occurs. Upgrading to patched versions of the plugin where these sanitization routines have been properly integrated is essential for restoring security posture and ensuring that user interactions do not inadvertently introduce executable code into the application environment.