CVE-2025-48336

WordPress Course Builder < 3.6.6 - PHP Object Injection Vulnerability

Published May 29, 2025 CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed
Description
Deserialization of Untrusted Data vulnerability in ThimPress Course Builder course-builder allows Object Injection.This issue affects Course Builder: from n/a through < 3.6.6.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source ID Title
EUVD EUVD EUVD-2025-16404 Deserialization of Untrusted Data vulnerability in ThimPress Course Builder allows Object Injection.This issue affects Course Builder: from n/a before 3.6.6.
History
Type Values Removed Values Added
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'}

Type Values Removed Values Added
Description Deserialization of Untrusted Data vulnerability in ThimPress Course Builder allows Object Injection.This issue affects Course Builder: from n/a before 3.6.6. Deserialization of Untrusted Data vulnerability in ThimPress Course Builder course-builder allows Object Injection.This issue affects Course Builder: from n/a through < 3.6.6.
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'}

Type Values Removed Values Added
Metrics ssvc

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

Type Values Removed Values Added
Description Deserialization of Untrusted Data vulnerability in ThimPress Course Builder allows Object Injection.This issue affects Course Builder: from n/a before 3.6.6.
Title WordPress Course Builder < 3.6.6 - 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

No data.

Weaknesses

Sources

Status
PUBLISHED
Assigner
Patchstack
Published
Updated
Apr 28, 2026, 4:12 PM
Reserved
May 19, 2025, 2:14 PM
Status
Deferred
Published
May 29, 2025, 7:15 PM
Modified
Jun 17, 2026, 9:29 AM