CISA has published an advisory on a cross-site scripting vulnerability in GES2020/S2020G Fast Switch 61850. Versions 07A03 and prior are affected. Successful exploitation of this vulnerability may allow an attacker to inject arbitrary code and allow disclosure of sensitive data. GE produced and released Version 07A04, which fixes the vulnerability. CISA also recommends a series of measures to mitigate the vulnerability. Read the advisory at CISA.