Usage of unsafe random function in form-data for choosing boundary
50Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 9.4epss 1.7%
from disclosure to weapon0 days
Published on NVDJul 18
1st PoCJul 18
exploitation probability
1.7%top 25% of all CVEs
observed exploitation
nono source reports it
1 public exploit(s)
Use of Insufficiently Random Values vulnerability in form-data allows HTTP Parameter Pollution (HPP). This vulnerability is associated with program files lib/form_data.Js.
This issue affects form-data: < 2.5.4, 3.0.0 - 3.0.3, 4.0.0 - 4.0.3.
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N
Affected products
form-datapublic PoCs found — 1
githubgithub.com/benweissmann/CVE-2025-7783-poc★ 32⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.