Cisco Web Security Appliance Cross-Site Scripting Vulnerability
Description
Cisco WSA AsyncOS web-based management interface has an XSS vulnerability due to improper input validation, allowing unauthenticated remote attackers to execute script or access sensitive info.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Cisco WSA AsyncOS web-based management interface has an XSS vulnerability due to improper input validation, allowing unauthenticated remote attackers to execute script or access sensitive info.
Vulnerability
A cross-site scripting (XSS) vulnerability exists in the web-based management interface of Cisco AsyncOS for Cisco Web Security Appliance (WSA). The vulnerability is due to improper validation of user-supplied input. Affected versions are Cisco WSA releases earlier than Release 14.0. [1]
Exploitation
An unauthenticated, remote attacker can exploit this vulnerability by persuading a user to retrieve a crafted file containing a malicious payload and upload it to the affected device. No authentication is required, but user interaction is necessary. [1]
Impact
Successful exploitation allows the attacker to execute arbitrary script code in the context of the affected interface or access sensitive browser-based information. [1]
Mitigation
Cisco has released software updates addressing this vulnerability. The fixed version is Release 14.0. No workarounds are available. [1]
AI Insight generated on May 26, 2026. Synthesized from this CVE's description and the cited reference URLs; citations are validated against the source bundle.
Affected products
2- Range: n/a
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
1- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wsa-xss-mVjOWchBmitrevendor-advisoryx_refsource_CISCO
News mentions
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