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ID:5579 - Exploit for Stored cross-site scripting in Postbird - CVE-2021-33570
ID:5579 - Exploit for Stored cross-site scripting in Postbird - CVE-2021-33570
Published: June 17, 2021
Vulnerability identifier: #VU53671
Vulnerability risk: Low
CVE-ID: CVE-2021-33570
CWE-ID: CWE-79
Exploitation vector: Remote access
Vulnerable software:
Postbird
Postbird
Link to public exploit:
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 in the onerror attribute of an IMG element in any PostgreSQL database table. A remote authenticated attacker can inject 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.