CVE-2025-63735Public exploitNetwork attack vector

Browser script execution via unsanitized captive-portal name

Published Nov 25, 2025 · Updated Nov 26, 2025

Reflected XSS in RUCKUS Unleashed 200.13.6.1.319 allows remote attackers to execute JavaScript via a crafted captive-portal request. The selfguestpass/guestAccessSubmit.jsp endpoint inserts the user-controlled name parameter into its HTML response without sanitization or output encoding. Exploitation requires a victim to open the crafted URL; the resulting script runs in the appliance origin and can access session data or alter page content.

CVSS severity6.1
Medium
EPSS probability0.22%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Reflected XSS in RUCKUS Unleashed 200.13.6.1.319 allows remote attackers to execute JavaScript via a crafted captive-portal request. The selfguestpass/guestAccessSubmit.jsp endpoint inserts the user-controlled name parameter into its HTML response without sanitization or output encoding. Exploitation requires a victim to open the crafted URL; the resulting script runs in the appliance origin and can access session data or alter page content.

The record

CVE
CVE-2025-63735
Published
Nov 25, 2025
Updated
Nov 26, 2025
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-79, T1204.001
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Nov 25, 2025CVE publishedPublication date reported by the CVE source.
  2. Nov 26, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

6.1CISA-ADPCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1204.001Malicious Link

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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