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 and including 3.0.10. It involves PHP Object Injection due to deserialization of untrusted data, classified under CWE-502. This flaw allows an attacker with low privileges to execute arbitrary code, potentially leading to full compromise of confidentiality, integrity, and availability of the affected system. No official patch or remediation guidance is currently provided by the vendor.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-39474) affects metaphorcreations Post Duplicator plugin versions <= 3.0.10. It is caused by unsafe deserialization of untrusted data, enabling PHP Object Injection. The vulnerability allows an attacker with low privileges and no user interaction to execute arbitrary code remotely, impacting confidentiality, integrity, and availability. The CVSS 3.1 base score is 8.8, reflecting high severity. No known exploits are reported in the wild, and no official fix or patch has been disclosed yet.
Potential Impact
Successful exploitation can lead to remote code execution with low privileges, resulting in complete compromise of the affected system's confidentiality, integrity, and availability. This can allow attackers to execute arbitrary code, modify data, or disrupt service.
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 in production environments where 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 and including 3.0.10. It involves PHP Object Injection due to deserialization of untrusted data, classified under CWE-502. This flaw allows an attacker with low privileges to execute arbitrary code, potentially leading to full compromise of confidentiality, integrity, and availability of the affected system. No official patch or remediation guidance is currently provided by the vendor.
CVSS v3.1
Score 8.8high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-39474) affects metaphorcreations Post Duplicator plugin versions <= 3.0.10. It is caused by unsafe deserialization of untrusted data, enabling PHP Object Injection. The vulnerability allows an attacker with low privileges and no user interaction to execute arbitrary code remotely, impacting confidentiality, integrity, and availability. The CVSS 3.1 base score is 8.8, reflecting high severity. No known exploits are reported in the wild, and no official fix or patch has been disclosed yet.
Potential Impact
Successful exploitation can lead to remote code execution with low privileges, resulting in complete compromise of the affected system's confidentiality, integrity, and availability. This can allow attackers to execute arbitrary code, modify data, or disrupt service.
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 in production environments where 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: 06/15/2026, 20:32:01 UTC
Last enriched: 06/23/2026, 15:14:01 UTC
Last updated: 07/31/2026, 19:22:58 UTC
Views: 25
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