An issue was discovered on AudioCodes Mediant 500L-MSBR, 500-MBSR, M800B-MSBR and 800C-MSBR devices with firmware versions F7.20A to F7.20A.253. A cross-site scripting (XSS) vulnerability in the search function of the management web interface allows remote attackers to inject arbitrary web script or HTML via the keyword parameter.