CVE-2025-59038 HIGH

CVE-2025-59038: Prebid.js NPM package briefly compromised

Vendor Prebid
Product Prebid.js
Weakness CWE-506
Published September 9, 2025
Last update September 10, 2025

CVSS base score

8.6/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

What the vulnerability does

01Description

Prebid.js is a free and open source library for publishers to quickly implement header bidding. NPM users of prebid 10.9.2 may have been briefly compromised by a malware campaign. The malicious code attempts to redirect crypto transactions on the site to the attackers' wallet. Version 10.10.0 fixes the issue. As a workaround, it is also possible to downgrade to 10.9.1.

Key dates

02Disclosure timeline

September 9, 2025 CVE published
September 10, 2025 Record updated