CVE-2026-32513
Published: 25 March 2026
Summary
CVE-2026-32513 is a high-severity Deserialization of Untrusted Data (CWE-502) vulnerability. Its CVSS base score is 8.8 (High).
Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 19.0th 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 SI-10 (Information Input Validation) and SI-2 (Flaw Remediation).
Threat & Defense at a Glance
Threat & Defense Details
Mitigating Controls (NIST 800-53 r5)AI
Directly mitigates the deserialization vulnerability by requiring timely patching of the affected jquery-archive-list-widget plugin versions through 6.1.7.
Prevents object injection by implementing input validation and error handling at plugin entry points to reject untrusted serialized data.
Identifies the CWE-502 deserialization flaw in the WordPress plugin through vulnerability scanning and monitoring.
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
PHP object injection via unsafe deserialization in a public-facing WordPress plugin directly enables remote code execution by low-privileged authenticated users, mapping to exploitation of public-facing applications (T1190), privilege escalation to achieve full C/I/A impact (T1068), and arbitrary command execution through the Unix shell (T1059.004).
NVD Description
Deserialization of Untrusted Data vulnerability in Miguel Useche JS Archive List jquery-archive-list-widget allows Object Injection.This issue affects JS Archive List: from n/a through <= 6.1.7.
Deeper analysisAI
CVE-2026-32513 is a Deserialization of Untrusted Data vulnerability (CWE-502) in the JS Archive List jquery-archive-list-widget WordPress plugin by Miguel Useche. The flaw enables Object Injection and affects all versions from n/a through 6.1.7.
The vulnerability carries a CVSS v3.1 base score of 8.8 (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H), indicating exploitation over the network with low complexity by low-privileged authenticated users, requiring no user interaction and maintaining unchanged scope. Attackers can achieve high impacts on confidentiality, integrity, and availability through object injection.
Patchstack has issued an advisory on the vulnerability, available at https://patchstack.com/database/Wordpress/Plugin/jquery-archive-list-widget/vulnerability/wordpress-js-archive-list-plugin-6-1-7-php-object-injection-vulnerability?_s_id=cve, which security practitioners should consult for mitigation details and patch information.
Details
- CWE(s)