Cyber Resilience

CVE-2025-60221

CriticalRCE

Published: 22 October 2025

Published
22 October 2025
Modified
15 April 2026
KEV Added
—
Patch
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CVSS Score v3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0010 26.7th percentile
Risk Priority 20 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-60221 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 26.7th 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-2025-60221 is a Deserialization of Untrusted Data vulnerability (CWE-502) in the Captivate Sync WordPress plugin (captivatesync-trade) developed by captivateaudio. The flaw enables Object Injection and affects all versions of Captivate Sync up to and including 3.0.3. It has been assigned 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 on confidentiality, integrity, and availability.

A remote attacker requires no privileges or user interaction to exploit this vulnerability over the network with low complexity. Successful exploitation could allow arbitrary code execution or other severe impacts through the injection of malicious objects during deserialization of untrusted data.

The Patchstack advisory at https://patchstack.com/database/Wordpress/Plugin/captivatesync-trade/vulnerability/wordpress-captivate-sync-plugin-3-0-3-php-object-injection-vulnerability?_s_id=cve provides details on this PHP Object Injection vulnerability in the Captivate Sync plugin version 3.0.3, though specific mitigation steps such as patches are referenced there for security practitioners to review.

EU & UK References

Vulnerability details

Deserialization of Untrusted Data vulnerability in captivateaudio Captivate Sync captivatesync-trade allows Object Injection.This issue affects Captivate Sync: from n/a through <= 3.0.3.

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 →
Why these techniques?

The vulnerability is a critical deserialization flaw in a public-facing WordPress plugin, enabling unauthenticated remote code execution, directly mapping to exploitation of public-facing applications.

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

CVEs Like This One

CVE-2024-13770Shared CWE-502
CVE-2026-27303Shared CWE-502
CVE-2025-53586Shared CWE-502
CVE-2025-64353Shared CWE-502
CVE-2025-31047Shared CWE-502
CVE-2026-27096Shared CWE-502
CVE-2023-49886Shared CWE-502
CVE-2026-23542Shared CWE-502
CVE-2025-66631Shared CWE-502
CVE-2026-40044Shared CWE-502

Affected Assets

Mitigating Controls

Mitigating Controls (NIST 800-53 r5) AI

SI-2 Flaw Remediation good match
prevent

Directly remediates the deserialization of untrusted data vulnerability by requiring identification, reporting, and patching of the specific flaw in Captivate Sync up to version 3.0.3.

SI-10 Information Input Validation good match
prevent

Validates untrusted inputs before deserialization to block malicious object injection in the Captivate Sync WordPress plugin.

SI-16 Memory Protection partial match
prevent

Implements memory protections such as non-executable memory regions to mitigate arbitrary code execution resulting from successful object injection.

References