Unauthenticated PHP Object Injection in EmallShop by WordPress
CVE-2026-39443

8.1HIGH

Key Information:

Vendor

WordPress

Status
Vendor
CVE Published:
16 June 2026

What is CVE-2026-39443?

EmallShop versions up to 2.4.21 are susceptible to unauthenticated PHP Object Injection. This vulnerability allows attackers to manipulate serialized PHP objects, potentially leading to unauthorized actions and exploitations within the application. Website owners using affected versions should prioritize updating their themes to mitigate the risk associated with this security flaw.

Affected Version(s)

EmallShop <= 2.4.21

References

CVSS V3.1

Score:
8.1
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Phat RiO | Patchstack Bug Bounty Program
.