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Date: November 26, 2021

The rich text editor does not escape attribute data when previewing custom tags. This means XSS is possible if custom tags are used, for users who have access to editing rich text content. Frontend content view is not affected, but the vulnerability could be used by editors to attack other editors. The fix ensures custom tag attribute data is escaped in the editor. ezplatform-admin-ui is vulnerable from 1.5.0 throuhg 1.5.25. Fixed in ezplatform-richtext

Language: PHP

Severity Score

Severity Score

Weakness Type (CWE)

Cross-Site Scripting (XSS)


Top Fix


Upgrade Version

Upgrade to version v1.5.25.1

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): CHANGED
Confidentiality (C): LOW
Integrity (I): LOW
Availability (A): NONE

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