CVE-2026-39474: CWE-502 Deserialization of Untrusted Data in metaphorcreations Post Duplicator
CVE-2026-39474 is a high severity vulnerability in metaphorcreations Post Duplicator plugin versions up to 3.0.10. It involves PHP Object Injection due to deserialization of untrusted data, classified under CWE-502. This vulnerability allows an attacker with low privileges and no user interaction to potentially execute arbitrary code and cause a complete compromise of confidentiality, integrity, and availability.
AI Analysis
Technical Summary
This vulnerability in Post Duplicator (<= 3.0.10) arises from unsafe deserialization of untrusted data leading to PHP Object Injection (CWE-502). The CVSS 3.1 score of 8.8 indicates network exploitable with low attack complexity, requiring low privileges and no user interaction. Successful exploitation impacts confidentiality, integrity, and availability at a high level. No official patch or remediation level is currently documented, and no known exploits are reported in the wild.
Potential Impact
Exploitation of this vulnerability can lead to full compromise of the affected system, including arbitrary code execution, data disclosure, and disruption of service. The attacker requires only low privileges and can exploit remotely without user interaction, making it a significant risk for affected installations.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict access to the affected plugin and monitor for suspicious activity. Avoid using vulnerable versions of Post Duplicator if possible.
CVE-2026-39474: CWE-502 Deserialization of Untrusted Data in metaphorcreations Post Duplicator
Description
CVE-2026-39474 is a high severity vulnerability in metaphorcreations Post Duplicator plugin versions up to 3.0.10. It involves PHP Object Injection due to deserialization of untrusted data, classified under CWE-502. This vulnerability allows an attacker with low privileges and no user interaction to potentially execute arbitrary code and cause a complete compromise of confidentiality, integrity, and availability.
CVSS v3.1
Score 8.8high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in Post Duplicator (<= 3.0.10) arises from unsafe deserialization of untrusted data leading to PHP Object Injection (CWE-502). The CVSS 3.1 score of 8.8 indicates network exploitable with low attack complexity, requiring low privileges and no user interaction. Successful exploitation impacts confidentiality, integrity, and availability at a high level. No official patch or remediation level is currently documented, and no known exploits are reported in the wild.
Potential Impact
Exploitation of this vulnerability can lead to full compromise of the affected system, including arbitrary code execution, data disclosure, and disruption of service. The attacker requires only low privileges and can exploit remotely without user interaction, making it a significant risk for affected installations.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict access to the affected plugin and monitor for suspicious activity. Avoid using vulnerable versions of Post Duplicator if possible.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Patchstack
- Date Reserved
- 2026-04-07T10:42:07.235Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a3061410b89be688893cf30
Added to database: 6/15/2026, 8:32:01 PM
Last enriched: 6/15/2026, 10:15:28 PM
Last updated: 6/16/2026, 5:00:57 AM
Views: 4
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