SB2017042417 - Cross-site scripting in s9y Serendipity

Description

This security bulletin contains information about 1 security vulnerability.

1) Cross-site scripting (CVE-ID: CVE-2017-8102)

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. A remote attacker can permanently 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 not aware of any official remediation provided by the vendor.

References

• http://seclists.org/fulldisclosure/2017/Apr/44
• https://github.com/s9y/Serendipity/issues/456