#VU80107 Cross-site scripting in PHPMailer

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Main Vulnerability Database Vulnerabilities #VU80107

#VU80107 Cross-site scripting in PHPMailer

Published: August 29, 2023


Vulnerability identifier: #VU80107
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear
CVE-ID: N/A
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
PHPMailer
Software vendor:
phpmailer.sourceforge.net

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 when processing DSNs. A remote attacker can 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

Install updates from vendor's website.

External links