metaphorcreations Post Duplicator Plugin up to 3.0.10 on WordPress deserialization
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.4 | $0-$5k | 0.00 |
Summary
A vulnerability marked as critical has been reported in metaphorcreations Post Duplicator Plugin up to 3.0.10 on WordPress. Affected by this vulnerability is an unknown functionality. The manipulation leads to deserialization. This vulnerability is uniquely identified as CVE-2026-39474. The attack is possible to be carried out remotely. No exploit exists.
Details
A vulnerability was found in metaphorcreations Post Duplicator Plugin up to 3.0.10 on WordPress. It has been rated as critical. This issue affects an unknown code. The manipulation with an unknown input leads to a deserialization vulnerability. Using CWE to declare the problem leads to CWE-502. The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid. Impacted is confidentiality, integrity, and availability. The summary by CVE is:
Contributor PHP Object Injection in Post Duplicator <= 3.0.10 versions.
The weakness was disclosed by Nguyen Ba Khanh. The advisory is shared at patchstack.com. The identification of this vulnerability is CVE-2026-39474 since 04/07/2026. The exploitation is known to be easy. The attack may be initiated remotely. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 06/16/2026).
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Product
Type
Vendor
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.6VulDB Meta Temp Score: 7.4
VulDB Base Score: 6.3
VulDB Temp Score: 6.1
VulDB Vector: 🔒
VulDB Reliability: 🔍
CNA Base Score: 8.8
CNA Vector (Patchstack): 🔒
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: DeserializationCWE: CWE-502 / CWE-20
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Status: Not defined
EPSS Score: 🔒
EPSS Percentile: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔒
Timeline
04/07/2026 CVE reserved06/16/2026 Advisory disclosed
06/16/2026 VulDB entry created
06/16/2026 VulDB entry last update
Sources
Advisory: patchstack.comResearcher: Nguyen Ba Khanh
Status: Not defined
CVE: CVE-2026-39474 (🔒)
GCVE (CVE): GCVE-0-2026-39474
GCVE (VulDB): GCVE-100-370997
Entry
Created: 06/16/2026 05:57Changes: 06/16/2026 05:57 (63)
Complete: 🔍
Cache ID: 216::103
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
No comments yet. Languages: en.
Please log in to comment.