SB2025120813 - Multiple vulnerabilities in GroupSession

Description

This security bulletin contains information about 3 secuirty vulnerabilities.

1) Insecure Default Initialization of Resource (CVE-ID: CVE-2025-64781)

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to initialization of a resource with an insecure default. A remote attacker can trick a victim to access a specially crafted URL and redirect them to an arbitrary website.

2) Cross-site scripting (CVE-ID: CVE-2025-65120)

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 user 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.

3) Stored cross-site scripting (CVE-ID: CVE-2025-66284)

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 user 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

Install update from vendor's website.

References

• https://jvn.jp/en/jp/JVN19940619/index.html