Stored cross-site scripting in Mailbird - CVE-2019-15054
Published: November 19, 2019
Vulnerability identifier: #VU22838
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:P/U:Green
CVE-ID: CVE-2019-15054
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Mailbird
Affected software:
Mailbird
Mailbird
Detailed vulnerability 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 SVG files attached to an email. A remote attacker can add an embed tag into the SVG file and execute arbitrary HTML and script code in user's browser in context of vulnerable website when the malicious email is opened.
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.
How to mitigate CVE-2019-15054
Install update from vendor's website.