CVE-2024-46934Network attack vector

Authenticated script execution via forged OTR messages

Published Sep 24, 2024 · Updated Mar 25, 2025

DOM-based XSS in Rocket.Chat 6.12.0 and earlier allows remote authenticated users to run script in another user's browser. The updateOTRAck Meteor method accepted a caller-supplied message object and broadcast it without validating its fields, room type, room access, or claimed sender. A logged-in user who can reach the method can forge an OTR message carrying an XSS payload; execution requires another user to render the crafted message.

CVSS severity6.1
Medium
EPSS probability0.33%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

DOM-based XSS in Rocket.Chat 6.12.0 and earlier allows remote authenticated users to run script in another user's browser. The updateOTRAck Meteor method accepted a caller-supplied message object and broadcast it without validating its fields, room type, room access, or claimed sender. A logged-in user who can reach the method can forge an OTR message carrying an XSS payload; execution requires another user to render the crafted message.

The record

CVE
CVE-2024-46934
Published
Sep 24, 2024
Updated
Mar 25, 2025
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-79, T1203
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Sep 24, 2024CVE publishedPublication date reported by the CVE source.
  2. Mar 25, 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 privilegesauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

6.1NISTCVSS: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
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1203Exploitation for Client Execution

Public exploit references

No public exploit references are available in this record.

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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