Home/CVE/Rocket.Chat through 3.4.2 allows XSS where an attacker can send a specially crafted message to a channel or in a direct
CVE

CVE-2020-15926

Rocket.Chat through 3.4.2 allows XSS where an attacker can send a specially crafted message to a channel or in a direct

Rocket.Chat through 3.4.2 allows XSS where an attacker can send a specially crafted message to a channel or in a direct message to the client which results in remote code execution on the client side.

MEDIUM · CVSS 6.1 EPSS 0.00758
Schedule remediation
  • Public exploit or PoC is available
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
▤

Affected Products & Versions

1
rocket.chat<= 3.4.2
⚠

Public Exploits & PoCs

1
pocblog.redteam.pl · rocket-chat-xss-rce-cve-2020-15926.htmlblog.redteam.pl
▣

Scoring & Timeline

6.1
MEDIUM · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD18 Aug 2020 · 09:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/RocketChat/Rocket.Chat/commits/developPatchThird Party Advisory
https://github.com/RocketChat/Rocket.Chat/pull/18356PatchThird Party Advisory
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