CVE-2026-32754Public exploitNetwork attack vector

Stored XSS via unescaped notification templates

Published Mar 19, 2026 · Updated Mar 19, 2026

Stored XSS in FreeScout before 1.8.209 allows remote attackers to inject HTML into notification emails by sending a crafted message. Incoming email bodies are stored without sanitization, and two Blade notification templates render the stored thread body as raw HTML instead of using getCleanBody(). Agents or administrators must open a generated notification; HTML injection affects all clients, while script execution depends on the recipient email client.

CVSS severity9.3
Critical
EPSS probability0.53%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored XSS in FreeScout before 1.8.209 allows remote attackers to inject HTML into notification emails by sending a crafted message. Incoming email bodies are stored without sanitization, and two Blade notification templates render the stored thread body as raw HTML instead of using getCleanBody(). Agents or administrators must open a generated notification; HTML injection affects all clients, while script execution depends on the recipient email client.

The record

CVE
CVE-2026-32754
Published
Mar 19, 2026
Updated
Mar 19, 2026
Vendor
FreeScout
Product
FreeScout
Classifications
CWE-116, CWE-79, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Mar 19, 2026CVE publishedPublication date reported by the CVE source.
  2. Mar 19, 2026Record 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=< 1.8.209

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

FreeScout · FreeScoutversion=< 1.8.209

Published CVSS scores

9.3GitHub, Inc.CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/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.

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
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-116Improper Encoding or Escaping of Output
CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1190Exploit Public-Facing Application

Public exploit references

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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