CVE-2025-69329
Published: 20 February 2026
Summary
CVE-2025-69329 is a critical-severity Deserialization of Untrusted Data (CWE-502) vulnerability. Its CVSS base score is 9.8 (Critical).
Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 29.2th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
The strongest mitigations our analysis identified are NIST 800-53 RA-5 (Vulnerability Monitoring and Scanning) and SI-10 (Information Input Validation).
Deeper analysis
CVE-2025-69329 is a Deserialization of Untrusted Data vulnerability (CWE-502) in the Jthemes Prestige WordPress theme, enabling object injection. The issue affects all versions of the Prestige theme from n/a through those prior to 1.4.1. It carries a CVSS v3.1 base score of 9.8 (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H), indicating critical severity due to its potential for high-impact exploitation over the network with low complexity and no authentication or user interaction required.
A remote, unauthenticated attacker can exploit this vulnerability by supplying malicious serialized data to the affected component in the Prestige theme. Successful exploitation allows arbitrary object injection, which could lead to high confidentiality, integrity, and availability impacts, such as remote code execution, data manipulation, or denial of service, depending on the injected objects and server configuration.
The Patchstack advisory for this vulnerability, accessible at https://patchstack.com/database/Wordpress/Theme/prestige/vulnerability/wordpress-prestige-theme-1-4-1-php-object-injection-vulnerability?_s_id=cve, confirms the object injection flaw fixed in version 1.4.1. Security practitioners should urge site administrators to update the Prestige theme to version 1.4.1 or later and audit sites running vulnerable versions for signs of compromise.
OWASP Top 10 for Web (2025)
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2025-207951
Vulnerability details
Deserialization of Untrusted Data vulnerability in Jthemes Prestige prestige allows Object Injection.This issue affects Prestige: from n/a through < 1.4.1.
- CWE(s)
Related Threats
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
Direct unauthenticated network exploitation of public-facing WordPress theme via PHP object injection/deserialization (CWE-502) enabling RCE or other impacts.
CVEs Like This One
Affected Assets
Mitigating Controls
Mitigating Controls (NIST 800-53 r5) AI
SI-2 requires timely flaw remediation, directly addressing this CVE by mandating updates to the Prestige theme version 1.4.1 or later to fix the deserialization vulnerability.
SI-10 enforces validation of untrusted information inputs, preventing attackers from supplying malicious serialized data for object injection.
RA-5 mandates vulnerability scanning and monitoring to identify systems running vulnerable Prestige theme versions affected by this deserialization flaw.