CVE-2026-32463
Received Received - Intake

Contributor Arbitrary File Upload in Sync Post With Other Site

Publication date: 2026-08-18

Last updated on: 2026-08-18

Assigner: Patchstack

Description
Contributor Arbitrary File Upload in Sync Post With Other Site <= 1.9.3 versions.

CVSS Scores

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Meta Information

Published
2026-08-18
Last Modified
2026-08-18
Generated
2026-08-18
AI Q&A
2026-08-18
EPSS Evaluated
N/A
NVD
CVE-2026-32463
EUVD
EUVD-2026-60899

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
patchstack sync_post_with_other_site to 1.9.3 (inc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-434 The product allows the upload or transfer of dangerous file types that are automatically processed within its environment.

Attack-Flow Graph

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Executive Summary

This vulnerability is an Arbitrary File Upload flaw in the WordPress plugin 'Sync Post With Other Site' version 1.9.3 or lower. It allows attackers to upload malicious files, such as backdoors, to a website without proper validation. The issue has a high CVSS score of 9.9, indicating severe risk.

Detection Guidance

Check if the WordPress plugin 'Sync Post With Other Site' version 1.9.3 or lower is installed. Look for unusual file uploads in web directories or unexpected files in upload folders. Monitor server logs for POST requests to plugin endpoints.

Impact Analysis

Attackers could exploit this to upload malicious files, gaining unauthorized access to the website. This may lead to data breaches, defacement, or further compromise of the site and server. Mass-exploit campaigns are expected due to the high severity.

Compliance Impact

This vulnerability could lead to unauthorized access and data breaches, violating GDPR and HIPAA requirements for data protection and access control. Non-compliance may result in legal penalties, fines, or reputational damage.

Mitigation Strategies

Disable or uninstall the 'Sync Post With Other Site' plugin immediately. Apply Patchstack's mitigation rule if available. Update to the latest version once a patch is released. Restrict file upload permissions and monitor for unauthorized access.

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