SB2022021801 - Multiple vulnerabilities in a-blog cms

Description

This security bulletin contains information about 3 secuirty vulnerabilities.

1) Cross-site scripting (CVE-ID: CVE-2022-24374)

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.

2) Cross-site scripting (CVE-ID: CVE-2022-23916)

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) Information disclosure (CVE-ID: CVE-2022-23810)

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to template injection issue. A remote user can obtain arbitrary files on the server.

Remediation

Install update from vendor's website.

References

• https://jvn.jp/en/jp/JVN14706307/index.html
• https://developer.a-blogcms.jp/blog/news/security-202202.html