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.
CVE-2025-59038
This high-severity CVE scores 8.6 under NVD CVSS v3. EPSS exploit probability: 0.1%, top 70% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 8.6
- EG Score
- 8.6(medium)
- EPSS
- 24.3%
- KEV
- Not listed
Published
September 9, 2025
Last Modified
April 15, 2026
References (2)
- security-advisories@githubhttps://github.com/prebid/Prebid.js/security/advisories/GHSA-jwq7-6j4r-2f92
- security-advisories@githubhttps://www.sonatype.com/blog/npm-chalk-and-debug-packages-hit-in-software-supply-chain-attack
Affected Packages
(1 across 1 ecosystem)
npm(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| prebid.js | 10.9.2 | — | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 10× in last 7d / 39× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
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Frequently asked(5)
What is CVE-2025-59038?
When was CVE-2025-59038 disclosed?
Is CVE-2025-59038 actively exploited?
What is the CVSS score of CVE-2025-59038?
How do I remediate CVE-2025-59038?
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2025-59038
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