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security: fix Stored XSS (#3222) + batch race condition (#3218) #4179

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security: fix Stored XSS (#3222) + batch race condition (#3218) #4179

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3d00eda
security: sanitize user input in beacon chat endpoint (Stored XSS #3222)
508704820 May 9, 2026
36991d3
fix: add file locking to generate_batch_id (race condition #3218)
508704820 May 9, 2026
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5 changes: 3 additions & 2 deletions node/beacon_api.py
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Original file line number Diff line number Diff line change
Expand Up @@ -860,7 +860,7 @@ def chat():
try:
data = request.get_json()
agent_id = data.get('agent_id')
message = data.get('message')
message = html.escape(data.get('message', ''))

if not agent_id or not message:
return jsonify({'error': 'Missing agent_id or message'}), 400
Expand All @@ -880,7 +880,8 @@ def chat():
"Contract terms acceptable. Ready to proceed.",
"Reputation check complete. Trust level adequate.",
]
import random
import html
import random
response = random.choice(responses)

# Store agent response
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