CVE-2026-55184

LOWCVSS 3.5

Description

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.

Timeline

Published:October 15th, 2026 3:17 PM

Last modified:October 15th, 2026 4:18 PM

CVSS Scoring

CVSS v3: 3.5 (LOW)

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N

Weaknesses (CWE)

CWE-79

References & Reports

Advisories, patches, and third-party reports

https://github.com/espocrm/espocrm/commit/67223bfb82338c030f38dac03f12c73b7b3d760f
https://github.com/espocrm/espocrm/releases/tag/9.3.9
https://github.com/espocrm/espocrm/security/advisories/GHSA-x5p5-8mxj-9wv6

Source: NIST NVD · Data may lag official sources by up to one minute