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Medium 5.4Published Aug 19, 2026

CVE-2026-20232Cisco Industrial Ethernet 1000 Series Switches Stored Cross-Site Scripting Vulnerability

Updated under an hour ago ()

Does this affect you?

It affects Cisco Industrial Ethernet Switches. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

A vulnerability in the web-based management interface of Cisco Industrial Ethernet (IE) 1000 Series Switches could allow an authenticated, remote attacker to conduct a stored cross-site scripting (XSS) attack against a user of the interface. This vulnerability is due to insufficient validation of user-supplied input by the web-based management interface of an affected system. An attacker could exploit this vulnerability by injecting malicious code into specific pages of the interface. A successful exploit could allow the attacker to execute arbitrary script code in the context of another user. To exploit this vulnerability, the attacker must have valid user credentials on the affected system.

CVSS
5.4 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Weakness (CWE)
CWE-80
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
cisco
NVD analysis
Awaiting Analysis
Record last updated
Aug 19, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
Cisco Cisco Industrial Ethernet Switches
cisco:industrial_ethernet_switches (from the name)
1.1; 1.2; 1.8.0; 1.8.2; 1.7.0; 1.3; 1.9.1; 1.6; and 6 more ranges
CNA record

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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