CVE-2025-57349 is a prototype pollution vulnerability affecting the openjsf messageformat package, specifically versions prior to 2.3.0. This flaw allows an attacker to inject properties into the global Object prototype by crafting malicious message input containing special characters in nested message keys. Rated with a CVSS score of 7.5 (HIGH), it presents a low-complexity attack vector that can lead to denial of service or other undefined behaviors. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 2.3.0CPE matchmatch criteria | cpe:2.3:a:openjsf:messageformat:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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