What is CVE-2026-20112?

CVE-2026-20112 is a medium-severity vulnerability in Cisco Ios Xe Software, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2026-03-25.

How severe is CVE-2026-20112?

Medium severity. CVSS v3 base score is 4.8 out of 10.

XSS in Cisco Ios Xe Software

CVE-2026-20112

A vulnerability in the web-based Cisco IOx application hosting environment management interface of Cisco IOS XE Software could allow an authenticated, remote attacker to conduct a stored cross-site scripting (XSS) attack against a user of…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.000 (13.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.

Affected products

Cisco Ios Xe Software — versions 16.6.1, 16.6.2, 16.6.3

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

cisco-sa-iox-xss-LpGkzwtJ

Frequently asked questions

What is CVE-2026-20112?: CVE-2026-20112 is a medium-severity vulnerability in Cisco Ios Xe Software, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2026-03-25.
How severe is CVE-2026-20112?: Medium severity. CVSS v3 base score is 4.8 out of 10.