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CVE-2026-33657 EspoCRM: Stored HTML injection in email notifications about stream notes via unescaped post field

🗓️ 13 Apr 2026 19:41:47Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 15 Views

EspoCRM stored HTML injection in email notifications via unescaped post field; fixed in 9.3.4.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
GithubExploit
Exploit for Basic XSS in Espocrm
11 May 202620:39
githubexploit
ATTACKERKB
CVE-2026-33657
13 Apr 202619:41
attackerkb
Circl
CVE-2026-33657
12 May 202603:00
circl
CNNVD
EspoCRM 安全漏洞
13 Apr 202600:00
cnnvd
CVE
CVE-2026-33657
13 Apr 202619:41
cve
EUVD
EUVD-2026-22081
13 Apr 202619:41
euvd
NVD
CVE-2026-33657
13 Apr 202620:16
nvd
Positive Technologies
PT-2026-32509
13 Apr 202600:00
ptsecurity
RedhatCVE
CVE-2026-33657
5 Jun 202619:31
redhatcve
Vulnrichment
CVE-2026-33657 EspoCRM: Stored HTML injection in email notifications about stream notes via unescaped post field
13 Apr 202619:41
vulnrichment
Rows per page
[
  {
    "vendor": "espocrm",
    "product": "espocrm",
    "versions": [
      {
        "version": "< 9.3.4",
        "status": "affected"
      }
    ]
  }
]

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