CVE-2026-26352
Last modified
CVE-2026-26352 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. Smoothwall Express versions prior to 3.1 Update 13 contain a stored cross-site scripting vulnerability in the /cgi-bin/vpnmain.cgi script due to improper sanitation of the VPN_IP parameter. Authenticated attackers can inject arbitrary JavaScript through VPN configuration settings that executes when the affected page is viewed by other users.. EPSS estimates a 0.14% chance of exploitation in the next 30 days.
Description
Smoothwall Express versions prior to 3.1 Update 13 contain a stored cross-site scripting vulnerability in the /cgi-bin/vpnmain.cgi script due to improper sanitation of the VPN_IP parameter. Authenticated attackers can inject arbitrary JavaScript through VPN configuration settings that executes when the affected page is viewed by other users.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Smoothwall | Smoothwall Express | <= 3.0 | — |
| Smoothwall | Smoothwall Express | 3.1 | Update1 |
References
- https://community.smoothwall.org/forum/viewtopic.php?t=45095Product, Release Notes
Timeline
- Published
- Last Modified
- Status
- Analyzed
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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