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Rocket.Chat up to 0.64 Mentions.js Username cross site scripting
A vulnerability has been found in Rocket.Chat up to 0.64 (Chat Software) and classified as problematic. Affected by this vulnerability is an unknown functionality of the file packages/rocketchat-mentions/Mentions.js. Upgrading to version…
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A vulnerability has been found in Rocket.Chat up to 0.64 (Chat Software) and classified as problematic. Affected by this vulnerability is an unknown functionality of the file packages/rocketchat-mentions/Mentions.js. Upgrading to version 0.65 eliminates this vulnerability.
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title: Detect Exploitation - Rocket.Chat up to 0.64 Mentions.js Username cross site scripting
id: 6c5f2576-308d-4049-a946-6e4f6103020e
status: experimental
description: Automatisch generierte SIEM-Erkennungsregel basierend auf CTI Intelligence
references:
- https://tsecurity.de/
author: iShareStuff CTI Automated Detection Engine
date: 2026-09-24
logsource:
category: network_connection
product: any
detection:
selection:
CommandLine|contains:
- 'exploit'
condition: selection
falsepositives:
- Legitime administrative Zugriffe oder Penetrationstests
level: high
tags:
- attack.initial_accessrule CTI_Threat_Indicator {
meta:
author = "iShareStuff CTI Automated Detection Engine"
date = "2026-09-24"
description = "YARA Signature for "
strings:
$str = "Rocket.Chat up to 0.64 Mention" ascii wide
condition:
any of them
}tsecurity.de Cognitive Threat RAG
Fokus-Vektor:
Kognitive Analyse für identifizierte Bedrohung: Erhöhte Bedrohungslage im Bereich Rocket.Chat up to 0.64 Mentions.js Usern.... Basierend auf 368k Vektor-Korrelationen werden sofortige Isolationsmaßnahmen für betroffene Endpunkte empfohlen.
🛡️ Angriffsfläche & Exposure
Netzwerk/Remote-Zugriff ohne Vorauthentifizierung möglich.
⚡ Empfohlene Sofortmaßnahmen
- 1. Perimeter-Inspektion: Relevante Portfreigaben und exponierte Endpunkte unverzüglich scannen.
- 2. Patch-Applikation: Hersteller-Hotfix einspielen oder betroffene Daemons in isolierte DMZ-Segmente überführen.
- 3. Telemetrie & EDR-Alerts: Prozessaufrufe und Child-Processes auf anomale Shell-Spawns überwachen.
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