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CVE-2026-20112

Quick assessment

Affected
Cisco Cisco IOS XE Software
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Cisco IOS XE Software是美国思科（Cisco）公司的一种网络操作系统。 Cisco IOS XE Software存在跨站脚本漏洞，该漏洞源于用户输入验证不足，可能导致存储型跨站脚本攻击。

CVSS 4.8 · Medium EPSS 0.19% · P8
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I. Basic Information for CVE-2026-20112

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
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 the web-based management interface of an affected device. This vulnerability is due to insufficient validation of user-supplied input. 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 the affected interface or access sensitive, browser-based information. To exploit this vulnerability, the attacker must have valid administrative credentials.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
Cisco IOS XE Software 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco IOS XE Software是美国思科（Cisco）公司的一种网络操作系统。 Cisco IOS XE Software存在跨站脚本漏洞，该漏洞源于用户输入验证不足，可能导致存储型跨站脚本攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Cisco Cisco IOS XE Software 16.6.1 -

II. Public POCs for CVE-2026-20112

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III. Intelligence Information for CVE-2026-20112

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Vendor Advisories for CVE-2026-20112 (1)

Same Patch Batch · Cisco · 2026-03-25 · 13 CVEs total

CVE-2026-20084 8.6 HIGH Cisco IOS XE Software 资源管理错误漏洞
CVE-2026-20086 8.6 HIGH Cisco IOS XE Wireless Controller software 安全漏洞
CVE-2026-20012 8.6 HIGH Cisco多款产品 安全漏洞
CVE-2026-20125 7.7 HIGH Cisco IOS和Cisco IOS XE Software 安全漏洞
CVE-2026-20004 7.4 HIGH Cisco IOS XE Software 安全漏洞
CVE-2026-20110 6.5 MEDIUM Cisco IOS XE Software 安全漏洞
CVE-2026-20083 6.5 MEDIUM Cisco IOS XE Software 安全漏洞
CVE-2026-20104 6.1 MEDIUM Cisco多款产品 安全漏洞
CVE-2026-20115 6.1 MEDIUM Cisco IOS XE Software 安全漏洞
CVE-2026-20114 5.4 MEDIUM Cisco IOS XE Software 安全漏洞
CVE-2026-20108 5.4 MEDIUM Cisco Catalyst SD-WAN Manager（Cisco SD-WAN vManage） 跨站脚本漏洞
CVE-2026-20113 5.3 MEDIUM Cisco IOS XE Software 注入漏洞

IV. Related Vulnerabilities

Same product: Cisco IOS XE Software
Same vendor: Cisco
Same weakness: CWE-79

V. Comments for CVE-2026-20112

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