GitHub Advisoryadvisory · npm
GHSA-m662-56rj-8fmm Prebid-universal-creative latest on npm briefly compromised
CRITICAL
Official page ↗
- Aliases
- CVE-2025-59039
- Ecosystem
- npm
- Packages
- prebid-universal-creative
- Severity
- Critical
- CVSS vector
- CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- Weaknesses
- CWE-506
- Reviewed
- 2025-09-11
Affected packages
• npm prebid-universal-creative: 1.17.3 (no fix yet)
Description
Impact
Npm users of PUC 1.17.3 or PUC latest were briefly affected by crypto-related malware detailed in the blog post below. This includes the extremely popular jsdelivr hosting of this file.
Patches
We unpublished the version on npm.
Workarounds
This has already been unpublished. 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 ASAP to avoid similar attacks in the future.
References
https://www.sonatype.com/blog/npm-chalk-and-debug-packages-hit-in-software-supply-chain-attack
Related
Alias · CVE (1)
- CVE-2025-59039 Prebid Universal Creative (PUC) is a JavaScript API to render multiple formats. vulnerability
Weakness · CWE (1)
- CWE-506 Embedded Malicious Code weakness
References
- https://github.com/prebid/prebid-universal-creative/security/advisories/GHSA-m662-56rj-8fmm web
- https://nvd.nist.gov/vuln/detail/CVE-2025-59039 advisory
- https://github.com/prebid/prebid-universal-creative package
- https://www.sonatype.com/blog/npm-chalk-and-debug-packages-hit-in-software-supply-chain-attack web