What is CVE-2025-48336?

CVE-2025-48336 is a critical-severity vulnerability in Thimpress Course Builder, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2025-05-29.

How severe is CVE-2025-48336?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Deserialization in Thimpress Course Builder

CVE-2025-48336

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.

Vulnerability class: Insecure Deserialization

EPSS: 0.004 (32.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Thimpress Course Builder — versions 0

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

References

audit@patchstack.com (vdb-entry)

Frequently asked questions

What is CVE-2025-48336?: CVE-2025-48336 is a critical-severity vulnerability in Thimpress Course Builder, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2025-05-29.
How severe is CVE-2025-48336?: Critical severity. CVSS v3 base score is 9.8 out of 10.