CVE-2025-59039: Prebid-universal-creative latest on npm briefly compromised

September 11, 2025 (updated November 10, 2025)

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.

References

github.com/advisories/GHSA-m662-56rj-8fmm
github.com/prebid/prebid-universal-creative
github.com/prebid/prebid-universal-creative/security/advisories/GHSA-m662-56rj-8fmm
nvd.nist.gov/vuln/detail/CVE-2025-59039
www.sonatype.com/blog/npm-chalk-and-debug-packages-hit-in-software-supply-chain-attack

Code Behaviors & Features

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