CVE-2025-59039
Severity CVSS v4.0:
CRITICAL
Type:
Unavailable / Other
Publication date:
09/09/2025
Last modified:
11/09/2025
Description
Prebid Universal Creative (PUC) is a JavaScript API to render multiple formats. Npm users of PUC 1.17.3 or PUC latest were briefly affected by crypto-related malware. This includes the extremely popular jsdelivr hosting of this file. The maintainers of PUC unpublished version 1.17.3. Users should see Prebid.js 9 release notes for suggestions on moving off the deprecated workflow of using the PUC or pointing to a dynamic version of it. PUC users pointing to latest should transition to 1.17.2 as soon as possible to avoid similar attacks in the future.
Impact
Base Score 4.0
9.30
Severity 4.0
CRITICAL



