Description
Unauthenticated PHP Object Injection in WP Project Manager <= 4.0.6 versions.
Published: 2026-08-24
Score: 9.8 Critical
EPSS: < 1% Very Low
KEV: No
Impact: Remote Code Execution
Action: Immediate Patch
AI Analysis

Impact

Unauthenticated PHP Object Injection in WordPress WP Project Manager plugin versions 4.0.6 and earlier permits an attacker to instantiate malicious PHP objects and execute arbitrary code, resulting in full compromise of the site’s confidentiality, integrity, and availability. This weakness is categorized as CWE‑502.

Affected Systems

Vendors and products affected include weDevs’ WP Project Manager plugin, specifically all installed versions up to and including 4.0.6.

Risk and Exploitability

The CVSS score of 9.8 indicates a critical severity and the vulnerability can be exploited remotely via the web interface with no authentication required. EPSS is not available, but the high CVSS suggests a significant likelihood of exploitation. The vulnerability is not listed in the CISA KEV catalog, yet its impact warrants immediate remediation.

Generated by OpenCVE AI on August 24, 2026 at 22:27 UTC.

Remediation

Vendor Solution

Update the WordPress WP Project Manager Plugin to the latest available version (at least 4.0.7).

OpenCVE Recommended Actions

  • Apply the latest WP Project Manager plugin update (4.0.7 or later).
  • Update all WordPress core files and other plugins to their latest versions.
  • Restrict file upload permissions, disable directory browsing, and monitor site logs for suspicious activity.

Generated by OpenCVE AI on August 24, 2026 at 22:27 UTC.

Tracking

Sign in to view the affected projects.

Advisories

No advisories yet.

History

Thu, 27 Aug 2026 15:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Mon, 24 Aug 2026 23:00:00 +0000

Type Values Removed Values Added
First Time appeared Wedevs
Wedevs wp Project Manager
Wordpress
Wordpress wordpress
Vendors & Products Wedevs
Wedevs wp Project Manager
Wordpress
Wordpress wordpress

Mon, 24 Aug 2026 21:45:00 +0000

Type Values Removed Values Added
Description Unauthenticated PHP Object Injection in WP Project Manager <= 4.0.6 versions.
Title WordPress WP Project Manager plugin <= 4.0.6 - PHP Object Injection vulnerability
Weaknesses CWE-502
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Subscriptions

Wedevs Wp Project Manager
Wordpress Wordpress
cve-icon MITRE

Status: PUBLISHED

Assigner: Patchstack

Published:

Updated: 2026-08-27T14:25:00.255Z

Reserved: 2026-08-24T07:37:35.411Z

Link: CVE-2026-78262

cve-icon Vulnrichment

Updated: 2026-08-27T14:24:56.736Z

cve-icon NVD

Status : Deferred

Published: 2026-08-24T22:17:19.947

Modified: 2026-08-27T17:20:38.750

Link: CVE-2026-78262

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-24T22:45:03Z

Weaknesses
  • CWE-502

    Deserialization of Untrusted Data