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4 vulnerabilities found for Express by Smoothwall
CVE-2026-27508 (GCVE-0-2026-27508)
Vulnerability from nvd – Published: 2026-03-30 16:51 – Updated: 2026-05-25 23:41
VLAI
Title
Smoothwall Express < 3.1 Update 13 Reflected XSS in redirect.cgi via url Parameter
Summary
Smoothwall Express versions prior to 3.1 Update 13 contain a reflected cross-site scripting vulnerability in the /redirect.cgi endpoint due to improper sanitation of the url parameter. Attackers can craft malicious URLs with javascript: schemes that execute arbitrary JavaScript in victims' browsers when clicked through the unsanitized link.
Severity
5.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-79 - Improper neutralization of input during web page generation ('cross-site scripting')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://community.smoothwall.org/forum/viewtopic.… | vendor-advisorypatch |
| https://www.vulncheck.com/advisories/smoothwall-e… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Smoothwall | Express |
Affected:
0 , < 3.1 Update 13
(custom)
|
Credits
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CVE-2026-26352 (GCVE-0-2026-26352)
Vulnerability from nvd – Published: 2026-03-30 16:49 – Updated: 2026-05-25 23:41
VLAI
Title
Smoothwall Express < 3.1 Update 13 Stored XSS in vpnmain.cgi via VPN_IP Parameter
Summary
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.
Severity
5.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-79 - Improper neutralization of input during web page generation ('cross-site scripting')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://community.smoothwall.org/forum/viewtopic.… | vendor-advisorypatch |
| https://www.vulncheck.com/advisories/smoothwall-e… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Smoothwall | Express |
Affected:
0 , < 3.1 Update 13
(custom)
|
Credits
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CVE-2026-27508 (GCVE-0-2026-27508)
Vulnerability from cvelistv5 – Published: 2026-03-30 16:51 – Updated: 2026-05-25 23:41
VLAI
Title
Smoothwall Express < 3.1 Update 13 Reflected XSS in redirect.cgi via url Parameter
Summary
Smoothwall Express versions prior to 3.1 Update 13 contain a reflected cross-site scripting vulnerability in the /redirect.cgi endpoint due to improper sanitation of the url parameter. Attackers can craft malicious URLs with javascript: schemes that execute arbitrary JavaScript in victims' browsers when clicked through the unsanitized link.
Severity
5.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-79 - Improper neutralization of input during web page generation ('cross-site scripting')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://community.smoothwall.org/forum/viewtopic.… | vendor-advisorypatch |
| https://www.vulncheck.com/advisories/smoothwall-e… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Smoothwall | Express |
Affected:
0 , < 3.1 Update 13
(custom)
|
Credits
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CVE-2026-26352 (GCVE-0-2026-26352)
Vulnerability from cvelistv5 – Published: 2026-03-30 16:49 – Updated: 2026-05-25 23:41
VLAI
Title
Smoothwall Express < 3.1 Update 13 Stored XSS in vpnmain.cgi via VPN_IP Parameter
Summary
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.
Severity
5.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-79 - Improper neutralization of input during web page generation ('cross-site scripting')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://community.smoothwall.org/forum/viewtopic.… | vendor-advisorypatch |
| https://www.vulncheck.com/advisories/smoothwall-e… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Smoothwall | Express |
Affected:
0 , < 3.1 Update 13
(custom)
|
Credits
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]
},
{
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"attackComplexity": "LOW",
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"availabilityImpact": "NONE",
"baseScore": 5.4,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
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"scope": "CHANGED",
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},
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]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-79",
"description": "CWE-79 Improper neutralization of input during web page generation (\u0027cross-site scripting\u0027)",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-05-25T23:41:46.581Z",
"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"shortName": "VulnCheck"
},
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{
"tags": [
"vendor-advisory",
"patch"
],
"url": "https://community.smoothwall.org/forum/viewtopic.php?t=45095"
},
{
"tags": [
"third-party-advisory"
],
"url": "https://www.vulncheck.com/advisories/smoothwall-express-stored-xss-in-vpnmain-cgi-via-vpn-ip-parameter"
}
],
"source": {
"discovery": "EXTERNAL"
},
"title": "Smoothwall Express \u003c 3.1 Update 13 Stored XSS in vpnmain.cgi via VPN_IP Parameter",
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}
}
},
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"datePublished": "2026-03-30T16:49:16.761Z",
"dateReserved": "2026-02-13T17:28:43.057Z",
"dateUpdated": "2026-05-25T23:41:46.581Z",
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