CVE-2026-66358
Received
Received - Intake
Cross-Site Scripting (XSS) Vulnerability in acmailer
Vulnerability report for CVE-2026-66358, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.
Publication date: 2026-08-19
Last updated on: 2026-08-19
Assigner: JPCERT/CC
Description
Description
A cross-site scripting vulnerability exists in acmailer, which may allow an attacker to execute an arbitrary script.
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| extra_innovation_inc | acmailer | 4.1.2 |
| extra_innovation_inc | acmailer | 1.2.2 |
| extra_innovation_inc | acmailer | to 4.1.2 (exc) |
| extra_innovation_inc | acmailer | to 1.2.2 (exc) |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-79 | The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. |
