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CVE-2026-40497

🗓️ 21 Apr 2026 01:45:55Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 8 Views🌐 WEB

FreeScout before 1.8.213 is vulnerable to CSS injection via stored style tags in mailbox signatures, enabling token exfiltration.

Related
Detection
Affected
Refs
Paths
NVD
Vulners
Node
freescoutfreescoutRange<1.8.213
[
  {
    "vendor": "freescout-help-desk",
    "product": "freescout",
    "versions": [
      {
        "version": "< 1.8.213",
        "status": "affected"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
signaturerequest body/mailbox/settings/{id}Stored CSS injection in mailbox signature due to incomplete stripping of style tags allowing exfiltration of CSRF tokens and potential privilege escalation.CWE-79

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17 Jun 2026 10:45Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.18.1
EPSS0.00243
SSVC
8