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Part of a story covered by 15 sources: “Cisco September 2026 ISE Hardening Release Patches Actively Exploited Authentication Bypass and Multiple RCE, Injection, and DoS Flaws” — merged summary and timeline →

Cisco Identity Services Engine Cross-Site Scripting Vulnerability

lowAdvisoryimportance 25
AI summary · glm-5.3-flash

Cisco patched a reflected XSS in the ISE management interface allowing unauthenticated attackers to execute script via crafted links.

A reflected cross-site scripting vulnerability in the web-based management interface of Cisco Identity Services Engine lets an unauthenticated remote attacker execute arbitrary script in the context of the interface. Exploitation requires persuading a user to click a crafted link due to improper input validation. Cisco has released software updates.

  • Unauthenticated reflected XSS in ISE management interface
  • Requires convincing a user to click a crafted link
  • Could expose sensitive browser-based information
VendorsCisco
OrganizationsCisco
Full article

A vulnerability in the web-based management interface of Cisco Identity Services Engine (ISE) could allow an unauthenticated, remote attacker to conduct a reflected cross-site scripting (XSS) attack against a user of the interface. This vulnerability exists because the web-based management interface does not properly validate user-supplied input. An attacker could exploit this vulnerability by persuading a user of the interface to click a crafted link. 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. Cisco has released software updates that address this vulnerability. There…

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