The check_referer() function in Formmail.php 5.0 and earlier allows remote attackers to…
Priority MEDIUM 44Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- —
- Confidentiality · integrity · availability
- Complete · Complete · Complete
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
The check_referer() function in Formmail.php 5.0 and earlier allows remote attackers to bypass access restrictions via an empty or spoofed HTTP Referer, as demonstrated using an application on the same web server that contains a cross-site scripting (XSS) issue.
Why it matters now
EPSS 0.02063 81st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:joe_lumbroso_acks:formmail.php:2.0:*:*:*:*:*:*:* | 2.0 | Vulnerable | Joe Lumbroso Acks |
| cpe:2.3:a:joe_lumbroso_acks:formmail.php:5.0:*:*:*:*:*:*:* | 5.0 | Vulnerable | Joe Lumbroso Acks |
- cpe:2.3:a:joe_lumbroso_acks:formmail.php:2.0:*:*:*:*:*:*:* Versions 2.0 Vulnerable ·Joe Lumbroso Acks
- cpe:2.3:a:joe_lumbroso_acks:formmail.php:5.0:*:*:*:*:*:*:* Versions 5.0 Vulnerable ·Joe Lumbroso Acks
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2004-0259
- 2026-10-03 Alias added: GHSA-2hhg-c3w2-vgr6
References
Sources
- CVE-2004-0259 · CVE Program
- CVE-2004-0259 · NVD
- FIRST EPSS
- GHSA-2hhg-c3w2-vgr6 · 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