Page Builder Gutenberg Blocks – CoBlocks < 3.1.7 - Contributor+ Stored XSS

2024-03-2200:00:00

wpscan.com

page builder gutenberg blocks

coblocks

stored xss

contributor role

cross-site scripting

admin

CVSS3

6.4

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

AI Score

5.9

Confidence

High

EPSS

Percentile

9.0%

JSON

Description The plugin does not validate and escape some of its attributes before outputting them back in the page, which could allow users with a role as low as contributor to perform Stored Cross-Site Scripting attacks which could be used against high privilege users such as admin