Gutenberg PDF Viewer Block <= 1.0 - Cross-Site Scripting

2021-09-20 00:00

apple502j

Strategic Overview

Status

Patched in 1.0.1

Affected PluginPDF Viewer Block for Gutenberg

Affected Version< 1.0.1

CVSS5.4Medium

CVECVE-2021-24760

View all PDF Viewer Block for Gutenberg vulnerabilities

Vulnerability Overview

The Gutenberg PDF Viewer Block WordPress plugin before 1.0.1 does not sanitise and escape its block, which could allow users with a role as low as Contributor to perform Cross-Site Scripting attacks.

Technical Analysis

REMEDIATION: Update to version 1.0.1, 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-2021-24760 https://www.wordfence.com/threat-intel/vulnerabilities/id/d888cd53-415c-4667-b35a-5b3bd2226eeb

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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