https://patchthecve.com/CVEs with upgrade or downgrade fix stepshttps://patchthecve.com/cve/CVE-2020-36899.htmlhttps://patchthecve.com/cve/CVE-2020-36899.htmlWed, 17 Jun 2026 03:16:27 +0000HIGH 7.5: QiHang Media Web Digital Signage 3.0.9 contains an unauthenticated file disclosure vulnerability that allows remote attackers to access sensitive files through unverified 'filename' and 'path' parameters. Attackers can exploit the QH.aspx endpoint to read arbitrary files and directory contents withohttps://patchthecve.com/cve/CVE-2020-36898.htmlhttps://patchthecve.com/cve/CVE-2020-36898.htmlWed, 17 Jun 2026 03:16:27 +0000CRITICAL 9.1: QiHang Media Web Digital Signage 3.0.9 contains an unauthenticated file deletion vulnerability in the QH.aspx endpoint that allows remote attackers to delete files without authentication. Attackers can exploit the 'data' parameter by sending a POST request with file paths to delete arbitrary files whttps://patchthecve.com/cve/CVE-2020-36897.htmlhttps://patchthecve.com/cve/CVE-2020-36897.htmlWed, 17 Jun 2026 03:16:26 +0000CRITICAL 9.8: QiHang Media Web Digital Signage 3.0.9 contains an unauthenticated remote code execution vulnerability in the QH.aspx file that allows attackers to upload malicious ASPX scripts. Attackers can exploit the file upload functionality by using the 'remotePath' and 'fileToUpload' parameters to write and https://patchthecve.com/cve/CVE-2020-36896.htmlhttps://patchthecve.com/cve/CVE-2020-36896.htmlWed, 17 Jun 2026 03:16:26 +0000HIGH 7.5: QiHang Media Web Digital Signage 3.0.9 contains a cleartext credentials vulnerability that allows unauthenticated attackers to access administrative login information through an unprotected XML file. Attackers can retrieve hardcoded admin credentials by requesting the '/xml/User/User.xml' file, enab