DOM-based cross-site scripting in Bludit - CVE-2020-13889
Published: June 7, 2020 / Updated: September 12, 2022
Vulnerability identifier: #VU28772
CSH Severity: Low
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N]
CVE-ID: CVE-2020-13889
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vulnerability details
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 passed to the showAlert() in the administration panel. 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.
Affected software
Bludit
How to mitigate CVE-2020-13889
Install update from vendor's website.
Links to Public Exploits and PoC-codes
- Exploit #3026 - bludit-DOM-xss (CVE-2020-13889. The admin page of bludit have an Self XSS in the showAlert() function that dont sanitize user input leading them to execute an malicious code.) (June 10, 2020)
- Exploit #3022 - CVE-2020-13889 (CVE-2020-13889. The admin page of bludit have an XSS in the showAlert() function that dont sanitize user input leading them to execute an malicious code.) (June 10, 2020)