CVE-2025-23919 in Slides & Presentations Plugin
Summary
by MITRE • 01/16/2025
Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) vulnerability in Ella van Durpe Slides & Presentations allows Code Injection.This issue affects Slides & Presentations: from n/a through 0.0.39.
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Analysis
by VulDB Data Team • 02/10/2025
This vulnerability represents a classic cross-site scripting flaw that exploits improper input validation within the Ella van Durpe Slides & Presentations web application. The weakness occurs when user-supplied data containing HTML tags is not properly sanitized before being rendered in web pages, creating an avenue for malicious code execution. The vulnerability falls under the Common Weakness Enumeration category CWE-79 which specifically addresses improper neutralization of input during web page generation. This particular issue affects versions of the software from an unspecified starting point through version 0.0.39, indicating a broad range of affected releases that may have been shipped with insufficient security controls.
The technical implementation of this vulnerability allows attackers to inject malicious scripts into web pages that are subsequently executed by unsuspecting users. When the application fails to properly escape or remove HTML tags from user input, it creates a condition where JavaScript code can be embedded within the presentation content. This basic form of cross-site scripting enables attackers to perform various malicious activities including session hijacking, credential theft, and redirection to malicious websites. The impact extends beyond simple data theft as it can potentially allow full compromise of user sessions and enable more sophisticated attacks through the exploitation of the victim's browser context.
From an operational standpoint, this vulnerability poses significant risks to organizations using the Slides & Presentations application, particularly in environments where users may be exposed to untrusted content or where the application handles sensitive presentation materials. The attack surface is broad since any user input that gets rendered in the web interface could potentially be exploited, making this a particularly dangerous flaw for collaborative environments where multiple users contribute content. The vulnerability also aligns with ATT&CK technique T1566 which covers social engineering tactics involving the delivery of malicious content through web interfaces, making it a prime target for phishing campaigns and targeted attacks against users who interact with presentation content.
The mitigation strategy for this vulnerability should prioritize immediate implementation of input validation and output encoding controls within the application. Developers must ensure all user-supplied content undergoes proper sanitization before being rendered in web pages, implementing strict HTML escaping mechanisms and maintaining comprehensive allowlists of permitted characters and tags. Security patches should be deployed across all affected versions, with particular attention to the version range from the unspecified starting point through 0.0.39. Organizations should also consider implementing content security policies to add an additional layer of protection against script execution, while establishing robust monitoring for suspicious content submissions. Regular security testing including automated vulnerability scanning and manual penetration testing should be conducted to identify and remediate similar weaknesses in the application's input handling processes, ensuring compliance with security standards such as OWASP Top Ten and NIST cybersecurity frameworks.