CORS Bypass Vulnerability in st2web Allows for XSS via null Origin

CVE-2019-9580 · MEDIUM Severity

AV:N/AC:M/AU:N/C:N/I:P/A:N

In st2web in StackStorm Web UI before 2.9.3 and 2.10.x before 2.10.3, it is possible to bypass the CORS protection mechanism via a "null" origin value, potentially leading to XSS.

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