Cyber Resilience

CVE-2026-32513

HighRCE

Published: 25 March 2026

Published
25 March 2026
Modified
24 April 2026
KEV Added
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Patch
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CVSS Score v3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0028 19.5th percentile
Risk Priority 55 floored blend · peak EPSS

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 19.5th 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 SI-10 (Information Input Validation) and SI-2 (Flaw Remediation).

Deeper analysis

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.

OWASP Top 10 for Web (2025)

A08:2025 Software or Data Integrity Failures

EU & UK References

Vulnerability details

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.

CWE(s)
CWE-502

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1190 Exploit Public-Facing Application Initial Access
Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.
attack.mitre.org →
T1068 Exploitation for Privilege Escalation Privilege Escalation
Adversaries may exploit software vulnerabilities in an attempt to elevate privileges.
attack.mitre.org →
T1059.004 Unix Shell Execution
Adversaries may abuse Unix shell commands and scripts for execution.
attack.mitre.org →
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).

Confidence: MEDIUM · MITRE ATT&CK Enterprise v19.0

CVEs Like This One

CVE-2026-32355Shared CWE-502
CVE-2026-28138Shared CWE-502
CVE-2026-40901Shared CWE-502
CVE-2026-24976Shared CWE-502
CVE-2025-20124Shared CWE-502
CVE-2026-24974Shared CWE-502
CVE-2025-1913Shared CWE-502
CVE-2025-69002Shared CWE-502
CVE-2025-53560Shared CWE-502
CVE-2025-69036Shared CWE-502

Affected Assets

Mitigating Controls

Mitigating Controls (NIST 800-53 r5) AI

SI-2 Flaw Remediation good match
prevent

Directly mitigates the deserialization vulnerability by requiring timely patching of the affected jquery-archive-list-widget plugin versions through 6.1.7.

SI-10 Information Input Validation good match
prevent

Prevents object injection by implementing input validation and error handling at plugin entry points to reject untrusted serialized data.

RA-5 Vulnerability Monitoring and Scanning partial match
detect

Identifies the CWE-502 deserialization flaw in the WordPress plugin through vulnerability scanning and monitoring.

References