CVE-2026-66358

Acmailer Cross‑Site Scripting Vulnerability

Published Aug 19, 2026 CVSS 4.0 · 5.1 Medium EPSS < 1% KEV · Not listed
Description
A cross-site scripting vulnerability exists in acmailer, which may allow an attacker to execute an arbitrary script.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Extra Innovation
Extra Innovation acmailer Cgi
Extra Innovation acmailer Db
Vendors & Products Extra Innovation
Extra Innovation acmailer Cgi
Extra Innovation acmailer Db
Type Values Removed Values Added
Title Acmailer Cross‑Site Scripting Vulnerability
Type Values Removed Values Added
Description A cross-site scripting vulnerability exists in acmailer, which may allow an attacker to execute an arbitrary script.
Weaknesses CWE-79
References
Metrics cvssV3_0

{'score': 6.1, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N'}

cvssV4_0

{'score': 5.1, 'vector': '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
jpcert
Published
Updated
Aug 20, 2026, 3:36 PM
Reserved
Aug 10, 2026, 6:57 AM
Status
Deferred
Published
Aug 19, 2026, 5:17 AM
Modified
Nov 9, 2026, 8:10 PM