#VU48729 Cross-site scripting in Coremail - CVE-2020-29133
Published: November 27, 2020 / Updated: December 1, 2020
Vulnerability identifier: #VU48729
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear
CVE-ID: CVE-2020-29133
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Coremail
Coremail
Software vendor:
Guangdong Yingshi Computer Technology Co.
Guangdong Yingshi Computer Technology Co.
Description
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data in jsp/upload.jsp. A remote authenticated attacker can use the signImgFile parameter of uploading personal signature, trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
Remediation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.