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CVE-2025-59038

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Date: September 9, 2025

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.

Severity Score

Related Resources (10)

https://github.com/advisories/GHSA-4hjx-fhh8-vr6j
https://www.bleepingcomputer.com/news/security/hackers-hijack-npm-packages-with-2-billion-weekly-downloads-in-supply-chain-attack/
https://github.com/prebid/Prebid.js
https://github.com/advisories/GHSA-jwq7-6j4r-2f92
https://www.aikido.dev/blog/npm-debug-and-chalk-packages-compromised
https://github.com/prebid/Prebid.js/security/advisories/GHSA-jwq7-6j4r-2f92
https://github.com/prebid/Prebid.js/commit/72c7f184028f51ba15cdac744d56590b0f2b1f1e
https://nvd.nist.gov/vuln/detail/CVE-2025-59038
https://github.com/prebid/Prebid.js/releases/tag/10.10.0
https://www.mend.io/vulnerability-database/CVE-2025-59038

Severity Score

Weakness Type (CWE)

Embedded Malicious Code

CWE-506

Top Fix

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Upgrade to version prebid.js - 10.10.0

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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