CVE-2026-66358

State: Published
Severity: 5.1 Medium
Published: Aug 19, 2026
Updated: Aug 20, 2026
Reserved: Aug 10, 2026

Description

A cross-site scripting vulnerability exists in acmailer, which may allow an attacker to execute an arbitrary script.

Scores

CVSS	Score	Vector	Source
4.0	5.1 Medium	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	jpcert
3.0	6.1 Medium	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N	jpcert

Weaknesses

CWE-79 Cross-site scripting (XSS)

Affected Products

Product	Versions
acmailer CGIExtra Innovation Inc.	before 4.1.2Affected
acmailer DBExtra Innovation Inc.	before 1.2.2Affected

References

https://www.acmailer.jp/info/de.cgi?id=119
https://jvn.jp/en/jp/JVN47716829/

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.