CVE-2024-29798 in Gratisfaction Plugin
Summary
by MITRE • 03/27/2024
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Appsmav Gratisfaction allows Stored XSS.This issue affects Gratisfaction: from n/a through 4.3.4.
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Analysis
by VulDB Data Team • 04/12/2025
The vulnerability identified as CVE-2024-29798 represents a critical cross-site scripting flaw within the Appsmav Gratisfaction application, specifically classified as a stored XSS vulnerability according to the Common Weakness Enumeration framework under CWE-79. This weakness occurs when web applications fail to properly sanitize user input before incorporating it into dynamically generated web pages, creating opportunities for malicious actors to inject persistent script code that executes in the context of other users' browsers. The affected version range spans from an unspecified initial version through 4.3.4, indicating this vulnerability has existed for an extended period and likely affects a significant user base.
The technical implementation of this flaw involves the application's insufficient validation and sanitization of input data that is subsequently stored and displayed within web pages. When users submit content through forms or other input mechanisms, the application fails to adequately neutralize potentially malicious script code, allowing attackers to store malicious payloads that persist within the application's database. These stored scripts are then executed whenever other users view the affected content, making this a particularly dangerous form of XSS attack as the malicious code can affect multiple victims over time rather than requiring immediate exploitation.
From an operational perspective, this vulnerability creates substantial risk for organizations using the Gratisfaction application, as it enables attackers to execute arbitrary scripts in the browsers of authenticated users. The stored nature of the vulnerability means that attackers can craft malicious payloads that will automatically execute for any user who views the compromised content, potentially leading to session hijacking, credential theft, data exfiltration, or redirection to malicious sites. The impact extends beyond individual user compromise to potentially affect the entire application ecosystem, as successful exploitation could allow attackers to escalate privileges or access sensitive administrative functions.
Security practitioners should prioritize immediate remediation of this vulnerability through proper input validation and output encoding mechanisms. The recommended mitigations include implementing strict sanitization of all user-supplied input before storage, employing context-appropriate output encoding for dynamic content, and implementing content security policies to limit script execution. Organizations should also conduct comprehensive security testing of the application's input handling mechanisms and review all user-facing interfaces for similar XSS vulnerabilities. The ATT&CK framework categorizes this vulnerability under T1566.001 - Phishing with Social Engineering and T1059.001 - Command and Scripting Interpreter, as it enables attackers to establish persistent malicious presence through stored scripts. Additionally, this vulnerability aligns with the OWASP Top Ten 2021 category A03: Injection, specifically addressing the XSS attack vector that allows attackers to inject malicious scripts into web applications.