VulnSocial

CVE-2026-26352Disclosure(smoothwall / smoothwall_express)

LOWCVSS 5.1 · MEDIUM

Signal is active with 2 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD 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.

smoothwall CVEsBack to dashboard
0.0/ 10 priority

Sources & remediation

Vendor / third-party advisories
Other references
Weakness type (CWE)
CWE-79

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

STABLE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • smoothwall_express

Threat summary

  • 3 mentions across 2 observed days
  • Momentum state: stable

What's happening

  • Technical details provided in 3 signals
  • Disclosure: 3 classified signals
  • Peaked at 2 mentions on most recent observed day (2026-03-31)
  • 3 total mentions across 2 days

Affected systems

Vendors
smoothwall
Products
smoothwall_express

1 version affected across 1 product

Deep dive

Activity timeline3 mentions / 2d
01122Mentions · 2026-03-30: 1Mentions · 2026-03-31: 2Technical Details · 2026-03-30: 1Technical Details · 2026-03-31: 203-3003-31
Signal classification1 categories
Disclosure
3100.0%
Referenced assets3 URLs
Classification over time
DateTotalLabels
2026-03-301
Disclosure1
2026-03-312
Disclosure2
Full discourse3 posts
  • Infoflowcloud@infoflowcloud
    Disclosure

    🚨*CVE* CVE-2026-26352 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 o… https://www.cve.org/CVERecord?id=CVE-2026-26352 ----- Traducción: CVE-2026-26352 Smo… http://infoflow.cloud`

    Post summary

    The post announces CVE‑2026‑26352, identifying a stored XSS flaw in Smoothwall Express versions before 3.1 Update 13.

    0000024
    65 followersView on X
  • CVE@CVEnew
    Disclosure

    CVE-2026-26352 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 o… https://www.cve.org/CVERecord?id=CVE-2026-26352

    Post summary

    The tweet announces CVE-2026-26352, a stored XSS flaw in Smoothwall Express before v3.1 Update 13, providing only the CVE link and basic technical detail without mentioning patches, PoC, or active exploitation.

    00000150
    56.9K followersView on X
  • CyberDudeBivash® | Global Cybersecurity Company@cyberbivash
    Disclosure

    🚨 CYBERDUDEBIVASH SENTINEL APEX ALERT 🚨 Threat: CVE-2026-26352 - Smoothwall Express < 3.1 Update 13 Stored XSS in vpnmain.cgi via VPN_IP Parameter Intel Report: https://ift.tt/MCgUeZ1

    Post summary

    The tweet announces CVE-2026-26352 as a stored XSS vulnerability in Smoothwall Express and provides a link to an intel report, but does not mention PoC, exploit code, active exploitation, or patches.

    0000042
    280 followersView on X
CPE platform detail13 entries

13 of 13 entries

PartVendorProductVersionTarget SWTarget HW
OSsmoothwallsmoothwall_express---
OSsmoothwallsmoothwall_express3.1--
OSsmoothwallsmoothwall_express3.1--
OSsmoothwallsmoothwall_express3.1--
OSsmoothwallsmoothwall_express3.1--
OSsmoothwallsmoothwall_express3.1--
OSsmoothwallsmoothwall_express3.1--
OSsmoothwallsmoothwall_express3.1--
OSsmoothwallsmoothwall_express3.1--
OSsmoothwallsmoothwall_express3.1--
OSsmoothwallsmoothwall_express3.1--
OSsmoothwallsmoothwall_express3.1--
OSsmoothwallsmoothwall_express3.1--

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