Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in dimafreund Rentsyst allows Reflected XSS
Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in dimafreund Rentsyst allows Reflected XSS
AI Analyst Comment
Remediation
Apply vendor security updates immediately. Monitor for exploitation attempts and review access logs.
---METADATA---
VENDOR: dimafreund
PRODUCT: Rentsyst
AFFECTED_VERSIONS: 0 through 2.0.100
CONFIDENCE: high
MISSING: patch
CREDITS: stealthcopter | Patchstack Bug Bounty Program (finder)
SOURCES_JSON: [{"url":"https://patchstack.com/database/Wordpress/Plugin/rentsyst/vulnerability/wordpress-rentsyst-plugin-2-0-100-cross-site-scripting-xss-vulnerability?_s_id=cve","name":null,"tags":["vdb-entry"]}]
PROFILE: batch@eb21ac00f78b
MODEL: gemini-3.1-flash-lite
GENERATED: 2026-08-29T14:11:37.726Z
---END_METADATA---
Description Summary:
The Rentsyst WordPress plugin is vulnerable to Reflected Cross-Site Scripting (XSS) due to improper neutralization of user-supplied input during web page generation.
Executive Summary:
A reflected cross-site scripting vulnerability in the Rentsyst WordPress plugin allows unauthenticated attackers to execute arbitrary scripts in the context of a user session.
Vulnerability Details
CVE-ID: CVE-2025-48152
Affected Software: dimafreund Rentsyst
Affected Versions: 0 through 2.0.100
Vulnerability: This vulnerability is a Reflected Cross-Site Scripting (XSS) flaw occurring within the Rentsyst plugin. The vulnerability allows an unauthenticated attacker to inject malicious scripts into web pages, which are then executed in the victim's browser.
Business Impact
Successful exploitation of this flaw can lead to unauthorized actions performed on behalf of authenticated users, such as session hijacking or the theft of sensitive session cookies. Given the CVSS score of 7.1, this is classified as a High severity issue that poses a significant risk to user data integrity and account security.
Remediation Plan
Immediate Action: Since a specific patch version is currently unknown, users should immediately deactivate and remove the Rentsyst plugin until a secure update is released by the vendor.
Proactive Monitoring: Monitor web application logs for suspicious URL parameters containing script tags or encoded characters that may indicate XSS probing attempts.
Compensating Controls: Implement a strict Content Security Policy (CSP) and utilize a Web Application Firewall (WAF) to filter and block malicious script injection attempts at the edge.
Exploitation Status
Public Exploit Available: Unknown.
Analyst Notes: As of August 20, 2025, there is no public information indicating active exploitation or a public proof-of-concept for this vulnerability. The flaw is inherently dangerous due to the lack of required authentication for the attacker to initiate the reflected payload.
Analyst Recommendation
The presence of a Reflected XSS vulnerability in an active plugin requires immediate administrative attention to prevent potential account compromise. Organizations should prioritize the removal of the Rentsyst plugin until the vendor provides a confirmed secure update, ensuring that user sessions remain protected from script injection attacks.