CVE-2022-1021Network attack vector

Stored XSS via unvalidated conversation referer

Published Aug 19, 2022 · Updated Aug 2, 2024

Stored cross-site scripting in Chatwoot before 2.6.0 allows remote authenticated users to execute script in a support agent's browser. The Conversation model stores additional_attributes.referer without restricting its URI scheme, while the dashboard later exposes the stored value as a link. Exploitation requires a crafted JavaScript URI and support-agent interaction with the resulting conversation, enabling script execution in the agent's browser.

CVSS severity5.4
Medium
EPSS probability0.74%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored cross-site scripting in Chatwoot before 2.6.0 allows remote authenticated users to execute script in a support agent's browser. The Conversation model stores additional_attributes.referer without restricting its URI scheme, while the dashboard later exposes the stored value as a link. Exploitation requires a crafted JavaScript URI and support-agent interaction with the resulting conversation, enabling script execution in the agent's browser.

The record

CVE
CVE-2022-1021
Published
Aug 19, 2022
Updated
Aug 2, 2024
Vendor
Chatwoot
Product
Chatwoot
Classifications
CWE-79, CWE-922, T1203
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Aug 19, 2022CVE publishedPublication date reported by the CVE source.
  2. Aug 2, 2024Record 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.

  1. Affected versionversion=unspecified <2.6.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Chatwoot · Chatwootversion=unspecified <2.6.0

Published CVSS scores

5.4NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
7.6huntr.devCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H

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.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

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')
CWE-922Insecure Storage of Sensitive Information
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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