Low 3.5Published Oct 15, 2026

CVE-2026-55184EspoCRM: Stored XSS in wysiwyg template fields if CSP is disabled

Updated under an hour ago (2026-10-19 09:10 UTC)

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It affects espocrm. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for espocrm

Exploited in the last 30 days

EspoCRM is an open source customer relationship management application. Prior to 9.3.9, a user with Email Template or PDF Template edit permission can store crafted HTML that bypasses moderateSanitizeHtml(). When another user opens the template in edit mode and clientCspDisabled is true, the stored payload executes and can hijack the user's session. This issue is fixed in version 9.3.9.

CVSS: 3.5 LOW (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N
Weakness (CWE): CWE-79
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: GitHub_M
NVD analysis: Deferred
Record last updated: Oct 15, 2026
First seen by InfoSec Signals: Oct 15, 2026

Affected products

Affected products

espocrm espocrm espocrm:espocrm (from the name)	before 9.3.9	CNA record

References

https://github.com/espocrm/espocrm/security/advisories/GHSA-x5p5-8mxj-9wv6x-refsource-confirm
https://github.com/espocrm/espocrm/commit/67223bfb82338c030f38dac03f12c73b7b3d760fx-refsource-misc
https://github.com/espocrm/espocrm/releases/tag/9.3.9x-refsource-misc

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.