Prototype pollution in Stampit supermixer 1.0.3 allows an attacker to modify the prototype of a base object which can vary in severity depending on the implementation.
https://github.com/stampit-org/supermixer/compare/v1.0.4...v1.0.5
https://cwe.mitre.org/data/definitions/1321.html
https://hackerone.com/reports/959987
https://github.com/stampit-org/supermixer/issues/9
Source: Mitre, NVD
Published: 2021-06-16
Updated: 2026-06-17
Base Score: 5
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N
Severity: Medium
Base Score: 7.5
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Severity: High
EPSS: 0.00337