CVE-2026-25029 in KIDZ Plugin
Summary
by MITRE • 03/25/2026
Deserialization of Untrusted Data vulnerability in park_of_ideas KIDZ kidz allows Object Injection.This issue affects KIDZ: from n/a through <= 5.24.
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Analysis
by VulDB Data Team • 03/31/2026
The vulnerability identified as CVE-2026-25029 represents a critical deserialization flaw in the park_of_ideas KIDZ kidz software platform, specifically impacting versions ranging from the initial release through version 5.24. This vulnerability falls under the category of deserialization of untrusted data, a well-documented weakness that has been classified under CWE-502 by the Common Weakness Enumeration project. The flaw enables attackers to inject malicious objects during the deserialization process, potentially leading to remote code execution or other severe security consequences.
The technical implementation of this vulnerability stems from the software's failure to properly validate and sanitize data received from external sources during the object deserialization phase. When the KIDZ platform processes serialized data, it does not perform adequate input validation or authentication checks, allowing malicious actors to craft specially formatted payloads that, when deserialized, execute arbitrary code within the application context. This weakness is particularly dangerous because it operates at the core level of data processing, where untrusted inputs are transformed back into executable objects without sufficient security controls.
From an operational perspective, this vulnerability presents significant risks to organizations utilizing the KIDZ platform, as it could enable attackers to gain unauthorized access to system resources, execute malicious commands, or escalate privileges within the affected environment. The impact extends beyond simple data compromise to potentially allow full system takeover, making it a critical concern for any deployment. The vulnerability's presence in versions up to 5.24 indicates a prolonged window of exposure, suggesting that many installations may remain vulnerable for extended periods without proper patching or mitigation strategies.
Security practitioners should prioritize immediate remediation efforts focusing on updating to patched versions of the KIDZ platform, implementing network segmentation to limit access to affected systems, and deploying application firewalls or intrusion detection systems to monitor for exploitation attempts. The vulnerability aligns with several ATT&CK techniques including T1059 for command and script injection and T1566 for credential access through social engineering, making it a multi-vector threat requiring comprehensive defensive measures. Organizations should also implement strict input validation controls and consider adopting secure coding practices that emphasize proper object serialization and deserialization handling to prevent similar issues in future development cycles.