Stored XSS via MOTD innerHTML assignment
Published Dec 17, 2025 · Updated Dec 17, 2025
Stored XSS in Crafty Controller before 4.6.2 allows remote attackers to execute script in a dashboard user's browser through a server MOTD. The MOTD parser in motd.js assigns mc_ping or bedrock_ping response text to multiple innerHTML sinks, so browsers interpret embedded tags and event handlers. Control of a monitored server's MOTD is required, and execution begins when a Crafty page renders it; a viewer with user-management rights exposes same-origin account creation.
Summary
What happened
Stored XSS in Crafty Controller before 4.6.2 allows remote attackers to execute script in a dashboard user's browser through a server MOTD. The MOTD parser in motd.js assigns mc_ping or bedrock_ping response text to multiple innerHTML sinks, so browsers interpret embedded tags and event handlers. Control of a monitored server's MOTD is required, and execution begins when a Crafty page renders it; a viewer with user-management rights exposes same-origin account creation.
The record
- CVE
- CVE-2025-14701
- Published
- Dec 17, 2025
- Updated
- Dec 17, 2025
- Vendor
- Arcadia Technology, LLC
- Product
- Crafty Controller
- Classifications
- CWE-79, T1203
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Dec 17, 2025CVE publishedPublication date reported by the CVE source.
- Dec 17, 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?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=0 <4.6.2
What conditions does exploitation require?
What is affected?
Published CVSS scores
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.
Weakness, pattern, technique
Public exploit references
- Crafty Controller MOTD stored-XSS proof of conceptproof of concept · demonstrated
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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