CVE-2026-22497
Published: 05 March 2026
Summary
CVE-2026-22497 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 39.5th 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-2026-22497 is a Deserialization of Untrusted Data vulnerability in the AncoraThemes Jardi WordPress theme that allows Object Injection, mapped to CWE-502. This issue affects Jardi versions from n/a through 1.7.2 and was published on 2026-03-05. The vulnerability 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), classifying it as critical due to its potential for severe impact.
Remote, unauthenticated attackers can exploit the vulnerability over the network with low attack complexity and without requiring user interaction. Successful exploitation enables high-impact compromise of confidentiality, integrity, and availability, potentially allowing arbitrary object injection and code execution depending on the deserialized objects.
The Patchstack advisory at https://patchstack.com/database/Wordpress/Theme/jardi/vulnerability/wordpress-jardi-theme-1-7-2-php-object-injection-vulnerability?_s_id=cve details the PHP Object Injection vulnerability in Jardi theme version 1.7.2. Security practitioners should review this reference for specific mitigation steps and available patches.
OWASP Top 10 for Web (2025)
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2026-9591
Vulnerability details
Deserialization of Untrusted Data vulnerability in AncoraThemes Jardi jardi allows Object Injection.This issue affects Jardi: from n/a through <= 1.7.2.
- CWE(s)
Related Threats
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
Direct RCE via unauthenticated deserialization in public-facing WordPress component.
CVEs Like This One
Affected Assets
Mitigating Controls
Mitigating Controls (NIST 800-53 r5) AI
Requires identification, reporting, and correction of flaws like the deserialization vulnerability in Jardi theme versions through 1.7.2, preventing exploitation via patching.
Mandates validation of untrusted inputs to block malicious serialized data that could trigger object injection in the vulnerable WordPress theme.
Enables vulnerability scanning to identify CVE-2026-22497 in the Jardi theme, facilitating timely remediation before remote unauthenticated exploitation.