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WordPress CVE-2026-27045

| EUVD-2026-15760 HIGH
Deserialization of Untrusted Data (CWE-502)
2026-03-25 Patchstack GHSA-5mg7-jhw3-8jvg
8.8
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
8.8 HIGH
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

4
Re-analysis Queued
Apr 24, 2026 - 16:37 vuln.today
cvss_changed
EUVD ID Assigned
Mar 25, 2026 - 16:47 euvd
EUVD-2026-15760
Analysis Generated
Mar 25, 2026 - 16:47 vuln.today
CVE Published
Mar 25, 2026 - 16:14 nvd
HIGH 8.8

DescriptionCVE.org

Deserialization of Untrusted Data vulnerability in sbthemes WooCommerce Infinite Scroll sb-woocommerce-infinite-scroll allows Object Injection.This issue affects WooCommerce Infinite Scroll: from n/a through <= 1.6.2.

AnalysisAI

A PHP object injection vulnerability exists in the sbthemes WooCommerce Infinite Scroll plugin (versions up to and including 1.6.2) due to unsafe deserialization of untrusted data. This vulnerability allows attackers to inject malicious serialized objects, potentially leading to remote code execution or arbitrary object instantiation depending on available gadget chains within the WordPress environment. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Authenticated user sends malicious serialized object
Exploit
Plugin deserializes untrusted data
Execution
Object injection triggers arbitrary code execution
Impact
Remote code execution on WooCommerce server

Vulnerability AssessmentAI

Exploitation Authenticated user with access to WooCommerce Infinite Scroll plugin (sbthemes) versions <= 1.6.2. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment While CVSS and EPSS scores are not provided, the risk assessment is elevated based on multiple factors: the vulnerability class (CWE-502) is known to be easily exploitable with high impact in WordPress environments where gadget chains are abundant, the affected plugin is a WooCommerce extension with potentially broad installation across e-commerce sites, and Patchstack's reporting indicates this was sufficiently severe to warrant public disclosure. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker crafts a malicious serialized PHP object targeting a known gadget chain within the WordPress environment (such as those in common plugins or the WordPress core) and injects it through the vulnerable deserialization point in the WooCommerce Infinite Scroll plugin—likely via a GET/POST parameter, AJAX endpoint, or stored data retrieval. Upon deserialization, the malicious object's magic methods are automatically invoked, triggering a chain of method calls that ultimately executes arbitrary PHP code with the privileges of the web server. …
Remediation Immediately upgrade the sbthemes WooCommerce Infinite Scroll plugin to a version newer than 1.6.2; consult the Patchstack advisory (https://patchstack.com/database/Wordpress/Plugin/sb-woocommerce-infinite-scroll/vulnerability/wordpress-woocommerce-infinite-scroll-plugin-1-6-2-php-object-injection-vulnerability?_s_id=cve) for the specific patched version release. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 7 days: Identify all affected systems and apply vendor patches promptly. …

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CVE-2026-27045 vulnerability details – vuln.today

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