The Enable Media Replace WordPress plugin before 4.2.3 does not restrict the classes allowed when deserializing stored metadata during its media replace-and-update-links routine, allowing unauthenticated users to inject a PHP object that is instantiated when a user with upload access performs a routine media replacement, resulting in PHP Object Injection and local file inclusion of existing PHP/HTML files, which can be escalated to remote code execution where an attacker-influenced PHP or HTML file is present on the server.
This is a regression of CVE-2023-4643, which was fixed in 4.1.3 and reintroduced in 4.1.4.
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Fixes

Solution

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Workaround

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History

Fri, 30 Oct 2026 06:15:00 +0000

Type Values Removed Values Added
Description The Enable Media Replace WordPress plugin before 4.2.3 does not restrict the classes allowed when deserializing stored metadata during its media replace-and-update-links routine, allowing unauthenticated users to inject a PHP object that is instantiated when a user with upload access performs a routine media replacement, resulting in PHP Object Injection and local file inclusion of existing PHP/HTML files, which can be escalated to remote code execution where an attacker-influenced PHP or HTML file is present on the server. This is a regression of CVE-2023-4643, which was fixed in 4.1.3 and reintroduced in 4.1.4.
Title Enable Media Replace 4.1.4 - 4.2.2 - Unauthenticated PHP Object Injection via Metadata Replacer
References

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cve-icon MITRE

Status: PUBLISHED

Assigner: WPScan

Published:

Updated: 2026-10-30T06:00:22.558Z

Reserved: 2026-10-21T12:57:27.530Z

Link: CVE-2026-114422

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-30T06:16:44.770

Modified: 2026-10-30T06:16:44.770

Link: CVE-2026-114422

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-30T07:30:09Z

Weaknesses

No weakness.