Cross-site scripting in DzzOffice - CVE-2021-3318
Published: January 27, 2021 / Updated: May 9, 2021
Vulnerability identifier: #VU50170
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:P/U:Clear
CVE-ID: CVE-2021-3318
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vendor: DzzOffice
Affected software:
DzzOffice
DzzOffice
Detailed vulnerability description
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks via the editorid parameter.
The vulnerability exists due to insufficient sanitization of user-supplied data passed via the "editorid" parameter in attach/ajax.php. A remote attacker can 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.
How to mitigate CVE-2021-3318
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.