Spectra – WordPress Gutenberg Blocks <= 1.14.11 - Authenticated (Contributor+) Stored Cross-Site Scripting

2023-01-24 00:00

István Márton

Strategic Overview

Status

Patched in 1.15.0

Affected PluginSpectra Legacy – Gutenberg Blocks

Affected Version<= 1.14.11

CVSS6.4Medium

CVECVE-2020-36656

View all Spectra Legacy – Gutenberg Blocks vulnerabilities

Vulnerability Overview

The Spectra – WordPress Gutenberg Blocks plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to, and including, 1.14.11 due to insufficient sanitizing of input in Gutenberg blocks. This makes it possible for contributors, or higher privileged users, to inject arbitrary web scripts that execute in a victim's browser.

Technical Analysis

REMEDIATION: Update to version 1.15.0, 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-2020-36656 https://www.wordfence.com/threat-intel/vulnerabilities/id/7d9b5f4e-5d98-49b2-adbb-1db906b07c45

CVSS Vector

6.4

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

Base

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

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