GCVE-110-OSM-2025-78

Advisory PublishedCVSS 8.8/10

Vulnetix · Advisory published September 19, 2025

Repository compromised with PolinRider malware. Obfuscated JavaScript payload appended to postcss.config.mjs after whitespace padding. Uses rmcej otb obfuscation key characteristic of the PolinRider threat actor. Malicious payload found in: postcss.config.mjs. PolinRider obfuscated JS injected after whitespace padding. Signature: rmcej otb obfuscation key (seed 2857687). Uses Function constructor-based eval.

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Weaknesses (CWE)

CWE-506Embedded Malicious Code

Risk Scores

CVSS 3.1

8.8/10

High · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected Products

Vendor	Product	Versions	Platforms
unknown		all (affected), all (affected), all (affected), all (affected), all (affected), all (affected), all (affected), all (affected), all (affected), all (affected), all (affected), all (affected), all (affected), all (affected), all (affected), all (affected)	—

References

Malicious package:

advisory

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