How severe is CVE-2025-59038?

CVE-2025-59038 has a CVSS 4.0 base score of 8.6, rated high severity.

Is CVE-2025-59038 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-59038?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-59038 have an EU (EUVD) identifier?

Yes. CVE-2025-59038 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-27596.

When was CVE-2025-59038 published?

CVE-2025-59038 was published on 2025-09-09 and last updated on 2026-06-17.

CVE-2025-59038

CVE-2025-59038 is a high-severity vulnerability with a CVSS 4.0 base score of 8.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-506.

Key facts

Severity: High (CVSS 4.0 base score 8.6)
EPSS exploit prediction: 0% (28th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-27596
Weakness: CWE-506
Published: 2025-09-09
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2025-59038?: 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.
How severe is CVE-2025-59038?: CVE-2025-59038 has a CVSS 4.0 base score of 8.6, rated high severity.
Is CVE-2025-59038 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-59038?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-59038 have an EU (EUVD) identifier?: Yes. CVE-2025-59038 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-27596.
When was CVE-2025-59038 published?: CVE-2025-59038 was published on 2025-09-09 and last updated on 2026-06-17.

References

Other CWE-506 vulnerabilities

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CVE-2024-3094 — Critical (CVSS 10.0): Malicious code was discovered in the upstream tarballs of xz, starting with version 5.6.0. Through a series of…
CVE-2026-77651 — Critical (CVSS 9.8): The arrayref crate 0.3.10 for Rust can trigger execution of malicious code when compiling a project that uses the…
CVE-2026-77650 — Critical (CVSS 9.8): The append-only-vec crate 0.1.9 for Rust can trigger execution of malicious code when compiling a project that uses the…
CVE-2026-77649 — Critical (CVSS 9.8): The internment crate 0.8.7 for Rust can trigger execution of malicious code when compiling a project that uses the…

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