CVE-2025-55346
9.8
CRITICAL · CVSS 3.1 · EPSS 22% (pctl 98)
Patch early
EPSS 22% — above the 10% action threshold.
Description
User-controlled input flows to an unsafe implementation of a dynamic Function constructor, allowing network attackers to run arbitrary unsandboxed JS code in the context of the host, by sending a simple POST request.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 21.95% — more likely to be exploited than 98% of all CVEs |
| Weakness | CWE-94 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2025-08-14 |
| Last modified | 2026-06-17 |
References
→ the Explorer · watch your stack · NVD