A cross-site scripting vulnerability exists in acmailer, which may allow an attacker to execute an arbitrary script.
Priority LOW 23CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Active
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- None · None · None
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79.
Summary
A cross-site scripting vulnerability exists in acmailer, which may allow an attacker to execute an arbitrary script.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00262 18th percentileScored 2026-11-07
Fix Fixed acmailer CGI (Extra Innovation Inc.): 4.1.2acmailer DB (Extra Innovation Inc.): 1.2.2
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Extra Innovation Inc. | acmailer CGI | before 4.1.2 | 4.1.2 | Patch available | CNA |
| Extra Innovation Inc. | acmailer DB | before 1.2.2 | 1.2.2 | Patch available | CNA |
- acmailer CGI VendorExtra Innovation Inc. Affected before 4.1.2 Fixed in 4.1.2 Patch available CNA
- acmailer DB VendorExtra Innovation Inc. Affected before 1.2.2 Fixed in 1.2.2 Patch available CNA
Remediation
- Fix · CNA acmailer CGI (Extra Innovation Inc.) Fixed in 4.1.2
- Fix · CNA acmailer DB (Extra Innovation Inc.) Fixed in 1.2.2
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Extra Innovation acmailer CGI, acmailer DB 1.2.2, 4.1.2
2 records Highest priority Priority MEDIUM 1 MEDIUM, 1 LOW
Other records, highest priority first
- TI-2026-49188 Incorrect authorization in Extra Innovation Inc. acmailer CGIPriority MEDIUM 40
Timeline
- 2026-10-02 Threatist record created from CVE-2026-66358
- 2026-10-03 Alias added: GHSA-qv73-xfjm-gc7w
More Extra Innovation Inc. vulnerabilities
- TI-2021-21449 OS command injection in Extra Innovation Inc. acmailer CGI CVSS 3.0CRITICAL 9.8
- TI-2026-49188 Incorrect authorization in Extra Innovation Inc. acmailer CGI CVSS 4.0HIGH 8.7
- TI-2023-27190 Cross-site scripting in Extra Innovation Inc. acmailer CGI CVSS 3.0MEDIUM 6.1
Sources
- CVE-2026-66358 · CVE Program
- CVE-2026-66358 · NVD
- FIRST EPSS
- GHSA-qv73-xfjm-gc7w · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences