CVE-2026-55184

Published: Oct 15, 2026Modified: Oct 15, 2026Deferred

3.5

Vector

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

Exploitability: 2.1 / Impact: 1.4

Source: security-advisories@github.com (Secondary)

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.

Related CWEs

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

References (3)

https://github.com/espocrm/espocrm/commit/67223bfb82338c030f38dac03f12c73b7b3d760f

Source: security-advisories@github.com

https://github.com/espocrm/espocrm/releases/tag/9.3.9

Source: security-advisories@github.com

https://github.com/espocrm/espocrm/security/advisories/GHSA-x5p5-8mxj-9wv6

Source: security-advisories@github.com

Timeline

No history available yet.