PHP Object Injection Vulnerability in WP Project Manager Plugin by WeDevs
CVE-2026-78262

9.8CRITICAL

Key Information:

Vendor

WordPress

Vendor
CVE Published:
24 August 2026

What is CVE-2026-78262?

The vulnerability in WP Project Manager versions 4.0.6 and below is due to an unauthenticated PHP Object Injection flaw. This weakens the security posture of the application, potentially allowing an attacker to manipulate PHP objects through crafted requests, abusing the way objects are handled. It's vital for users of this plugin to update to the latest version to mitigate associated security risks.

Affected Version(s)

WP Project Manager <= 4.0.6

References

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

20kilograma | Patchstack Bug Bounty Program
.