SB2025032829 - Multiple vulnerabilities in PowerCMS

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Improper Neutralization of Special Elements in Output Used by a Downstream Component (CVE-ID: CVE-2025-29993)

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

The vulnerability exists due to the affected product improperly processes HTTP headers. A remote attacker can cause the target product to direct send email to a user, such as password reset mail, with a tampered URL.

2) Incorrect Regular Expression (CVE-ID: CVE-2021-21252)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient input validation when processing regular expressions. A remote attacker can pass specially crafted data to the application and perform regular expression denial of service (ReDos) attack.

Remediation

Install update from vendor's website.

References

• https://jvn.jp/en/jp/JVN39026557/index.html"
• https://jvn.jp/en/jp/JVN39026557/index.html</a></p><p>
• https://www.powercms.jp/news/release-powercms-661-528-459.html</p><p><br></p>