PostX - Gutenberg Blocks for Post Grid <= 2.4.9 - Stored Cross-Site Scripting

2021-08-26 00:00

apple502j

Strategic Overview

Status

Patched in 2.4.10

Affected PluginPost Grid Gutenberg Blocks – PostX

Affected Version< 2.4.10

CVSS5.4Medium

CVECVE-2021-24660

View all Post Grid Gutenberg Blocks – PostX vulnerabilities

Vulnerability Overview

The PostX – Gutenberg Blocks for Post Grid WordPress plugin before 2.4.10, with Saved Templates Addon enabled, allows users with a role as low as Contributor to perform Stored Cross-Site Scripting attacks via the plugin's shortcode.

Technical Analysis

REMEDIATION: Update to version 2.4.10, or a newer patched version --- IDENTIFIER: 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.

External References

https://www.cve.org/CVERecord?id=CVE-2021-24660 https://www.wordfence.com/threat-intel/vulnerabilities/id/7b6ac72f-11f4-46bd-a972-fbcb46b34ce6

CVSS Vector

5.4

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

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredLow
User InteractionRequired
ScopeChanged
ConfidentialityLow
IntegrityLow
AvailabilityNone

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